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Natural resources

Stocks of anything naturally occurring that have a beneficial use for man including economic, nutritional, recreational, aesthetic, and other benefits.

Subtopics:
Mineral resources (65 items)
Energy resources (143 items)
Soil resources (7 items)
Fishery resources (22 items)
Forest resources (2 items)
Water resources (383 items)

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Results 1 - 593 of 622 listed alphabetically [list by similarity]

1999 resource assessment of selected Tertiary coal beds and zones in the northern Rocky Mountains and Great Plains region. [More info]: Coal resources, stratigraphy, geochemistry, coal quality and geology of Tertiary coal beds and zones in the northern Rocky Mountains and Great Plains regions. Text in PDF format and available on CD-ROM.
2010 updated assessment of undiscovered oil and gas resources of the National Petroleum Reserve in Alaska (NPRA) [More info]: We estimate mean volumes of 896 million barrels of oil and about 53 trillion cubic feet of nonassociated natural gas in conventional, undiscovered accumulations within this area, a reduction of our 2002 estimate due to new geologic information.
A dryland river transformed--the Little Colorado, 1936-2010 [More info]: We mapped substantial migration of the river channel between the City of Winslow and the Navajo Nation community of Leupp; in a human lifetime the river has moved more than a mile across its valley floor.
A methodology for conducting national-scale alluvial diamond resource potential and production capacity assessments, with a focus on artisanal mining [More info]: Geologic evidence, combined with geographical data and analyized through a geographic information system allows us to compare production statistics with likely resource estimates.
A new tool to assess groundwater resources in the Mississippi embayment [More info]: Mathematical model of the groundwater system in this area includes 13 types of data and spans multiple aquifers over more than a century. This enables us to assess the quantity of groundwater, where and how it is being used, and how pumping affects it.
Additional oil and natural gas research [More info]: Brief descriptions, contacts, and links to other information and products for research programs of the USGS Central Energy Team on gas hydrates, petroleum expulsion, unconventional natural gas, petroleum systems, and reserve growth.
Alaska Geospatial Data Clearinghouse [More info]: Clearinghouse for the description and availability of multiple geospatial datasets relating to Alaska from many federal, state and local cooperating agencies under the coordination of the Alaska Geographic Data Committee.
Alaska Resource Data Files [More info]: Downloadable descriptions of mines, prospects, and mineral occurrences for individual U.S. Geological Survey 1:250,000-scale quadrangles in Alaska.
Alaska Science Center - Biological Science Office [More info]: Research on birds, mammals, ecosystems and habitats, fish and fisheries in Alaska
Alaska mineral resources [More info]: Reports, data, and current research on mineral resources in Alaska
Alaska petroleum resources [More info]: Information on Alaskan energy resources in oil, petroleum, and natural gas with links to publications and other research.
An Overview of Historical Channel Adjustment and Selected Hydraulic Values in the Lower Sabine and Lower Brazos River Basins, Texas and Louisiana [More info]: How has the channel shape and path changed in response to reservoirs and other human disturbances affecting the streamflow?
An estimate of undiscovered conventional oil and gas resources of the world, 2012 [More info]: Using a geology-based assessment methodology, we estimated means of 565 billion barrels of conventional oil and 5,606 trillion cubic feet of undiscovered conventional natural gas in 171 priority geologic provinces of the world, exclusive of the U.S.
An evaluation of the science needs to inform decisions on Outer Continental Shelf energy development in the Chukchi and Beaufort Seas, Alaska [More info]: We need refined regional understanding of climate change, effective oil-spill risk assessment, preparedness, and response, an analysis of cumulative effects (natural and human), better geospatial data for the area, in an integrated approach.
Annual hydrologic data report of Pennsylvania [More info]: Online annual reports (since 1999) documenting hydrologic data for Pennsylvania gathered from USGS surface water and ground water data-collection networks and information on ordering paper copies of previous years.
Aquatic Ecology Branch, Leetown Science Center [More info]: Programs of the Aquatic Ecology Branch on landscape ecology and GIS, molecular genetics, environmental contaminants, stream ecology, and other aspects of aquatic ecology in eastern United States.
Aquifer basics [More info]: Links to general information on water supply by aquifers based on rock types and to principal national aquifers by name.
Arctic National Wildlife Refuge, 1002 Area, petroleum assessment, 1998, including economic analysis [More info]: Arctic National Wildlife Refuge (ANWR) 1002 area's petroleum resource assessment. Text available in PDF and HTML formats.
Asbestos: geology, mineralogy, mining, and uses [More info]: Report on asbestos, six types of mineral fibers belonging to two mineral groups, serpentines and amphiboles,with fiber morphology, crystal structure, analytical methods, properties, mining, milling, uses, and safety factors.(PDF file,28 pp.,4.5 MB)
Assessing Groundwater Availability in the High Plains Aquifer in Parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming [More info]: Explains concepts and methods used to determine the likely future supply of usable water in this major aquifer.
Assessing effects of energy development in Colorado and New Mexico [More info]: Outlines information needed to enable effective local decision making regarding the installation, siting, and effects of energy resource facilities.
Assessing ground-water vulnerability to contamination: providing scientifically defensible information for decision makers [More info]: The information, citations, and hypothetical examples provided in this report highlight how basic principles and assessments are essential components of the regulatory and policy decision-making process. Link to PDF version.
Assessing groundwater availability in the North Atlantic Coastal Plain aquifer system [More info]: Nature, history, and distinctive characteristics of this aquifer system help us to understand the likely distribution of available groundwater.
Assessing the Vulnerability of Public-Supply Wells to Contamination: Central Valley Aquifer System near Modesto, California [More info]: Using ground-water geochemical analyses, and mathematical models, the factors affecting the quality of public water supply were identified as pumping schedule, screened interval, past land use within the recharge area, and natural geochemical conditions.
Assessing the Vulnerability of Public-Supply Wells to Contamination: Floridan Aquifer System Near Tampa, Florida [More info]: Using ground-water geochemical analyses and mathematical models, the factors affecting the quality of public water supply were identified as mixing of very recent recharge with older water, karst features, natural geochemical processes, and pumping.
Assessing the impact of urban sprawl on soil resources in the United States using nighttime "city lights" satellite images and digital soils maps [More info]: Paper from Land Use History of North America giving results of a study to estimate the extent of developed land in the United States and the impact of development on soil resources.
Assessing the impacts of climate variability and change on the Nation's resources [More info]: Site for a USGS project under the U.S. Global Change Research Program for a national assessment of the impacts of climate variability and change on resources with links to impacts in Alaska, western U.S., public lands, and water resources.
Assessing the vulnerability of public-supply wells to contamination: Rio Grande aquifer system in Albuquerque, New Mexico [More info]: Explains the natural and human-affected factors that determine the concentration of contaminants in groundwater, especially where the concentration is different at the surface than at depth, and where pumping varies with time.
Assessment of Gas Hydrate Resources on the North Slope, Alaska, 2008 [More info]: We estimate that there are about 85 trillion cubic feet (TCF) of undiscovered, technically recoverable gas resources within gas hydrates in northern Alaska.
Assessment of In-Place Oil Shale Resources of the Green River Formation, Piceance Basin, Western Colorado [More info]: We estimated a total of 1.525 trillion barrels of oil are in place in seventeen oil shale zones in this area using a geology-based assessment methodology.
Assessment of In-Place Oil Shale Resources of the Green River Formation, Uinta Basin, Utah and Colorado [More info]: Using a geology-based assessment methodology, we estimated a total of 1.32 trillion barrels of oil in place in eighteen oil shale zones in this Eocene geologic unit.
Assessment of Moderate- and High-Temperature Geothermal Resources of the United States [More info]: The electric power generation potential from identified geothermal systems is 9,057 Megawattselectric (MWe), distributed over 13 states. Undiscovered resources are estimated to provide an additional 30,033 MWe.
Assessment of Undiscovered Biogenic Gas Resources, North-Central Montana Province [More info]: We estimated 6,192 billion cubic feet of shallow biogenic (continuous) undiscovered gas in this area using a geology-based assessment methodology.
Assessment of Undiscovered Hydrocarbon Resources of the Western Oregon and Washington Province [More info]: We estimated mean volumes of 2.2 trillion cubic feet (TCF) of undiscovered natural gas and 15 million barrels of oil (MMBO) in the using a geology-based assessment methodology.
Assessment of Undiscovered Natural Gas Resources of the Arkoma Basin Province and Geologically Related Areas [More info]: We estimated mean volumes of 38 trillion cubic feet (TCF) of undiscovered natural gas, 159 million barrels of natural gas liquid (MMBNGL), and no oil in accumulations of 0.5 million barrels (MMBO) or larger in this area.
Assessment of Undiscovered Natural Gas Resources of the Sacramento Basin Province of California, 2006 [More info]: We estimated undiscovered, technically recoverable resources are 534 billion cubic feet of natural gas and 323 thousand barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil Resources in the Devonian-Mississippian Bakken Formation, Williston Basin Province, Montana and North Dakota, 2008 [More info]: We estimated mean undiscovered volumes of 3.65 billion barrels of oil, 1.85 trillion cubic feet of associated dissolved natural gas, and 148 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources in Cretaceous-Tertiary Coal Beds of the Gulf Coast Region, 2007 [More info]: We estimated a mean of 4.06 trillion cubic feet of undiscovered, technically recoverable natural gas in these coal beds of the onshore lands and State waters of the Gulf Coast.
Assessment of Undiscovered Oil and Gas Resources in Tertiary Strata of the Gulf Coast, 2007 [More info]: We estimated mean undiscovered resources of 113.7 trillion cubic feet of natural gas, a mean of 690 million barrels of oil, and a mean of 3.7 billion barrels of natural gas liquids in onshore lands and state waters in this area.
Assessment of Undiscovered Oil and Gas Resources of Four West Africa Geologic Provinces [More info]: Estimates of undiscovered petroleum resources in coastal west Africa, including offshore areas.
Assessment of Undiscovered Oil and Gas Resources of Southeast Asia, 2010 [More info]: Using a geology-based assessment methodology, we estimated means of 21.6 billion barrels of oil and 299 trillion cubic feet of undiscovered natural gas in 22 provinces of southeast Asia.
Assessment of Undiscovered Oil and Gas Resources of the Bighorn Basin Province, Wyoming and Montana, 2008 [More info]: We estimated a mean of 989 billion cubic feet of undiscovered natural gas, a mean of 72 million barrels of undiscovered oil, and a mean of 13 million barrels of undiscovered natural gas liquids in this area.
Assessment of Undiscovered Oil and Gas Resources of the East Greenland Rift Basins Province [More info]: Using a geology-based assessment methodology, we estimated the mean undiscovered conventional petroleum resources to be 31,400 million barrels of oil equivalent, present in oil, gas, and natural gas liquids.
Assessment of Undiscovered Oil and Gas Resources of the Levant Basin Province, Eastern Mediterranean [More info]: We estimated a mean of 1.7 billion barrels of recoverable oil and a mean of 122 trillion cubic feet of recoverable gas in this province using a geology based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources of the Nile Delta Basin Province, Eastern Mediterranean [More info]: We estimated means of 1.8 billion barrels of recoverable oil, 223 trillion cubic feet of recoverable gas, and 6 billion barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources of the Permian Basin Province of West Texas and Southeast New Mexico, 2007 [More info]: We estimated a mean of 41 trillion cubic feet of undiscovered natural gas and a mean of 1.3 billion barrels of undiscovered oil in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources of the Red Sea Basin Province [More info]: We estimated mean volumes of 5 billion barrels of undiscovered technically recoverable oil and 112 trillion cubic feet of recoverable gas in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources of the Timan-Pechora Basin Province, Russia, 2008 [More info]: We estimated means of 1.6 billion barrels of undiscovered oil and 9 trillion cubic feet of natural gas north of the Arctic Circle in this area.
Assessment of Undiscovered Oil and Gas Resources of the West Greenland-East Canada Province, 2008 [More info]: We estimated a mean of 7.3 billion barrels of oil and a mean of 52 trillion cubic feet of undiscovered natural gas in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources of the West Siberian Basin Province, Russia, 2008 [More info]: We estimated means of 3.7 billion barrels of undiscovered oil and 651 trillion cubic feet of natural gas north of the Arctic Circle in this area using a geology-based assessment methodology.
Assessment of Undiscovered Oil and Gas Resources of the Williston Basin Province of North Dakota, Montana, and South Dakota, 2008 [More info]: We estimated mean undiscovered volumes of 3.8 billion barrels of undiscovered oil, 3.7 trillion cubic feet of associated/dissolved natural gas, and 0.2 billion barrels of undiscovered natural gas liquids using a geology-based assesment methodology.
Assessment of Undiscovered Petroleum Resources of Southern and Western Afghanistan, 2009 [More info]: We estimated mean undiscovered resource volumes of 21.55 million barrels of oil, 44.76 billion cubic feet of non-associated natural gas, and 0.91 million barrels of natural gas liquids in the western Afghanistan Tirpul Assessment Unit.
Assessment of Undiscovered Petroleum Resources of the Barents Sea Shelf [More info]: We estimated mean undiscovered, conventional, technically recoverable petroleum resources in the Barents Sea Shelf to be more than 76 billion barrels of oil equivalent using a geology-based assessment methodology.
Assessment of Undiscovered Petroleum Resources of the North and East Margins of the Siberian Craton, Russian Federation [More info]: We estimated the mean undiscovered, conventional petroleum resources at 28 billion barrels of oil equivalent, including approximately 8 billion barrels of crude oil, 106 trillion cubic feet of natural gas, and 3 billion barrels of natural gas liquids.
Assessment of coal geology, resources, and reserve base in the Powder River Basin, Wyoming and Montana [More info]: We estimated in-place resources of 1.07 trillion short tons of coal in this area using a geology-based assessment methodology. Of that total, recoverable coal was 162 billion tons, 25 billion economically recoverable.
Assessment of in-place oil shale resources of the Green River Formation, Greater Green River Basin in Wyoming, Colorado, and Utah [More info]: Using the Fischer assay measure of oil yield, we estimated a total of 1.44 trillion barrels of oil in three assessed units. There is currently no economic method to recover oil from this geologic unit.
Assessment of potential additions to conventional oil and gas resources in discovered fields of the United States from reserve growth, 2012 [More info]: Estimates of additional energy resources present within known oil and gas fields using statistical analysis that includes geology and engineering practices in addition to growth trends in production data.
Assessment of potential additions to conventional oil and gas resources of the world (outside the United States) from reserve growth, 2012 [More info]: We used mathematical models to estimate the likely increases in the estimates of the amount of oil and gas technically recoverable from existing known large fields outside the US.
Assessment of potential oil and gas resources in source rocks of the Alaska North Slope, 2012 [More info]: We estimated potential, technically recoverable oil and gas resources for source rocks of the Alaska North Slope. Estimates range from zero to 2 billion barrels of oil and from zero to nearly 80 trillion cubic feet of natural gas.
Assessment of potential shale gas and shale oil resources of the Norte Basin, Uruguay, 2011 [More info]: We estimated mean volumes of 13.4 trillion cubic feet of potential technically recoverable shale gas and 0.5 billion barrels of technically recoverable shale oil resources in this area using a performance-based geologic assessment methodology.
Assessment of potential shale gas resources of the Bombay, Cauvery, and Krishna-Godavari Provinces, India, 2011 [More info]: Using a performance-based geologic assessment methodology, we estimated a technically recoverable mean volume of 6.1 trillion cubic feet of potential shale gas in these areas.
Assessment of potential unconventional Carboniferous-Permian gas resources of the Liaohe Basin eastern uplift, Liaoning Province, China, 2011 [More info]: We estimated a mean of 448 billion cubic feet of potential technically recoverable unconventional natural gas in this area.
Assessment of remaining recoverable oil in selected major oil fields of the Permian Basin, Texas and New Mexico [More info]: The mean total volume of potential additional oil resources that might be added using improved oil-recovery technologies was estimated to be about 2.7 billion barrels of oil.
Assessment of remaining recoverable oil in selected major oil fields of the San Joaquin Basin, California [More info]: The mean total volume of potential oil reserves that might be added in the nine fields using improved oil-recovery technologies was estimated to be about 6.5 billion barrels of oil.
Assessment of undiscovered conventional oil and gas resources of Bonaparte Basin, Browse Basin, Northwest Shelf, and Gippsland Basin Provinces, Australia, 2011 [More info]: We estimated means of 4.7 billion barrels of undiscovered oil and 227 trillion cubic feet of undiscovered natural gas in three major offshore petroleum basins using a geology-based assessment methodology.
Assessment of undiscovered conventional oil and gas resources of North Africa, 2012 [More info]: We estimated means of 19 billion barrels of technically recoverable undiscovered conventional oil and 370 trillion cubic feet of undiscovered conventional natural gas resources in this area using a geology-based assessment methodology.
Assessment of undiscovered conventional oil and gas resources of South America and the Caribbean, 2012 [More info]: We estimated means of 126 billion barrels of oil and 679 trillion cubic feet of undiscovered natural gas in 31 geologic provinces of South America and the Caribbean using a geology based assessment methodology.
Assessment of undiscovered conventional oil and gas resources of six geologic provinces of China [More info]: We estimated mean volumes of undiscovered conventional resources in this area at 14.9 billion barrels of oil, 87.6 trillion cubic feet of natural gas, and 1.4 billion barrels of natural-gas liquids using a geology-based assessment methodology.
Assessment of undiscovered conventional oil and gas resources of the Arabian Peninsula and Zagros Fold Belt, 2012 [More info]: We estimated means of 86 billion barrels of oil and 336 trillion cubic feet of undiscovered natural gas resources in this area using a geology-based assessment methodology.
Assessment of undiscovered conventional oil and gas resources of the Western Canadian Sedimentary Basin, Canada, 2012 [More info]: We estimated undiscovered resources of 1,321 million barrels of oil, 25,386 billion cubic feet of gas, and 604 million barrels of natural gas liquids in this area using a geology based assessment methodology.
Assessment of undiscovered oil and gas resources in Jurassic and Cretaceous strata of the Gulf Coast, 2010 [More info]: We estimated means of 147.4 trillion cubic feet of undiscovered natural gas, 2.4 billion barrels of undiscovered oil, and 2.96 billion barrels of undiscovered natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources in conventional and continuous petroleum systems in the Upper Cretaceous Eagle Ford Group, U.S. Gulf Coast region, 2011 [More info]: We estimated the volume of oil, natural gas, and natural gas liquids in three closely related geologic units in this area using a geology based assessment methodology.
Assessment of undiscovered oil and gas resources in the Paradox Basin Province, Utah, Colorado, New Mexico, and Arizona, 2011 [More info]: We estimated means of 560 million barrels of undiscovered oil, 12,701 billion cubic feet of undiscovered natural gas, and 490 million barrels of undiscovered natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of Libya and Tunisia, 2010 [More info]: We estimated means of 3.97 billion barrels of undiscovered oil, 38.5 trillion cubic feet of undiscovered natural gas, and 1.47 billion barrels of undiscovered natural gas liquids in these areas.
Assessment of undiscovered oil and gas resources of Papua-New Guinea, eastern Indonesia, and East Timor, 2011 [More info]: We estimated means of 5.8 billion barrels of oil and 115 trillion cubic feet of undiscovered natural gas in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of four East Africa Geologic Provinces [More info]: We estimated mean volumes of 27.6 billion barrels of oil, 441.1 trillion cubic feet of natural gas, and 13.77 billion barrels of natural gas liquids in these areas using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Amu Darya Basin and Afghan-Tajik Basin Provinces, Afghanistan, Iran, Tajikistan, Turkmenistan, and Uzbekistan, 2011 [More info]: We estimated volumes of undiscovered, technically recoverable, conventional petroleum resources at 962 million barrels of oil, 52 trillion cubic feet of gas, and 582 million barrels of natural gas liquids in this area using a geology-based methodology.
Assessment of undiscovered oil and gas resources of the Anadarko Basin Province of Oklahoma, Kansas, Texas, and Colorado, 2010 [More info]: We estimated mean technically-recoverable undiscovered continuous and conventional resources that total 495 million barrels of oil, 27.5 trillion cubic feet of natural gas, and 410 million barrels of natural gas liquids in this area.
Assessment of undiscovered oil and gas resources of the Assam, Bombay, Cauvery, and Krishna-Godavari Provinces, South Asia, 2011 [More info]: Combining these areas, we estimated 3,534 million barrels of crude oil, 79,352 billion cubic feet of natural gass, and 1,679 million barrels of natural gas liquids using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Azov-Kuban Basin Province, Ukraine and Russia, 2010 [More info]: We estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 218 million barrels of crude oil, 4.1 trillion cubic feet of natural gas, and 94 million barrels of natural gas liquids in this area.
Assessment of undiscovered oil and gas resources of the Central Burma Basin and the Irrawaddy-Andaman and Indo-Burman Geologic Provinces, Myanmar [More info]: We estimated mean volumes of 2.3 billion barrels of oil, 79.6 trillion cubic feet of gas, and 2.1 billion barrels of natrual gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Chad Basin Province, North-Central Africa [More info]: Using a geology-based assessment methodology, we estimated mean volumes of 2.32 billion barrels of oil, 14.65 trillion cubic feet of natural gas, and 391 million barrels of natural gas liquids.
Assessment of undiscovered oil and gas resources of the Cretaceous-Tertiary Composite Total Petroleum System, Taranaki Basin Assessment Unit, New Zealand [More info]: We estimated mean volumes of 487 million barrels of oil, 9.8 trillion cubic feet of gas, and 408 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Devonian Marcellus Shale of the Appalachian Basin Province [More info]: We estimated a mean undiscovered natural gas resource of 84,198 billion cubic feet and a mean undiscovered natural gas liquids resource of 3,379 million barrels using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Dnieper-Donets Basin Province and Pripyat Basin Province, Russia, Ukraine, and Belarus, 2010 [More info]: We estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 123 million barrels of crude oil, 4.7 trillion cubic feet of natural gas, and 131 million barrels of natural gas liquids in these two areas.
Assessment of undiscovered oil and gas resources of the East Coast Mesozoic basins of the Piedmont, Blue Ridge Thrust Belt, Atlantic Coastal Plain, and New England Provinces, 2011 [More info]: We estimated 3,850 billion cubic feet of natural gas, 135 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Illinois Basin, 2007 [More info]: We estimated a mean of 214 million barrels of oil, 4.65 trillion cubic feet of natural gas, and 24 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the North Caspian Basin, Middle Caspian Basin, North Ustyurt Basin, and South Caspian Basin Provinces, Caspian Sea Area, 2010 [More info]: We estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 19.6 billion barrels of crude oil, 243 trillion cubic feet of natural gas, and 9.3 billion barrels of natural gas liquids.
Assessment of undiscovered oil and gas resources of the North Sakhalin Basin Province, Russia, 2011 [More info]: We estimated 5.3 billion barrels of crude oil, 43.8 trillion cubic feet of natural gas, and 0.8 billion barrels of natural gas liquids as undiscovered, technically recoverable resources in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Ordovician Utica Shale of the Appalachian Basin Province, 2012 [More info]: We estimated means of 940 million barrels of oil, 38.2 trillion cubic feet of gas, and 208 million barrels of natural gas liquids in these units using a geology based assessment methodology.
Assessment of undiscovered oil and gas resources of the South Africa Coastal Province, Africa [More info]: We estimated mean volumes of 2.13 billion barrels of oil, 35.96 trillion cubic feet of natural gas, and 1,115 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Sud Province, north-central Africa [More info]: We estimated mean volumes of 7.31 billion barrels of oil, 13.42 trillion cubic feet of natural gas, and 353 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the Volga-Ural Region Province, Russia and Kazakhstan, 2010 [More info]: We estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 1.4 billion barrels of crude oil, 2.4 trillion cubic feet of natural gas, and 85 million barrels of natural gas liquids.
Assessment of undiscovered oil and gas resources of the West African Costal Province, West Africa [More info]: We estimated mean volumes of 3.2 billion barrels of oil, 23.63 trillion cubic feet of natural gas, and 721 million barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil and gas resources of the West Siberian Basin Province, Russia, 2010 [More info]: We estimated mean volumes of technically recoverable, conventional, undiscovered petroleum resources at 8 billion barrels of crude oil, 670 trillion cubic feet of natural gas, and 21 billion barrels of natural gas liquids in this area.
Assessment of undiscovered oil and gas resources of the southern Siberian craton (Baykit High, Nepa--Botuoba High, Angara--Lena Terrace, and Cis--Patom Foredeep Provinces), Russia, 2011 [More info]: We estimated t 3.0 billion barrels of crude oil, 63.3 trillion cubic feet of natural gas, and 1.2 billion barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered oil resources in the Bakken and Three Forks Formations, Williston Basin Province, Montana, North Dakota, and South Dakota, 2013 [More info]: We estimated mean undiscovered volumes of 7.4 billion barrels of oil, 6.7 trillion cubic feet of associated/dissolved natural gas, and 0.53 billion barrels of natural gas liquids in this area using a geology-based assessment methodology.
Assessment of undiscovered, conventional oil and gas resources of Mexico, Guatemala, and Belize, 2012 [More info]: We estimated means of 19 billion barrels of oil and 83 trillion cubic feet of undiscovered natural gas resources in 10 geologic provinces of this area using a geology-based assessment methodology.
Atlas of the spawning and nursery areas of Great Lakes fishes [More info]: Atlas recording spawning and nursery areas of fish in the Great Lakes and associated rivers listed by area and then by species. A 14-volume atlas in PDF format. Published in 1982 by the U.S. Fish and Wildlife Service.
Availability of Groundwater Data for California, Water Year 2008 [More info]: Summary showing number of wells in each county for which water level measurements are available, with description of methodology and well numbering system.
Availability of groundwater data for California, water year 2010 [More info]: Map of California showing the number of wells (by county) with available water-level or water-quality data for Water Year 2010, with descriptions of the data and instructions for obtaining them.
BRASS: Bedrock Regional Aquifer Systematics Study [More info]: Description of the project to publish new bedrock geologic maps in the United States to advance the understanding of the region's bedrock aquifers. Includes list of projects.
Bats and wind energy-A literature synthesis and annotated bibliography [More info]: A literature synthesis and annotated bibliography focus on North America and on refereed journals. Additional references include a selection of citations on bat ecology, international research on bats and wind energy, and unpublished reports.
Bemidji Project crude-oil research project: background information [More info]: The study of petroleum in both the saturated and unsaturated zones, to better understand the processes that control contaminant behavior, and to use this understanding to estimate the future behavior of the contaminants.
Beryllium--important for national defense [More info]: How this element is used, where we get it, and prospects for worldwide supply and demand.
Bibliography of reports by U.S. Geological Survey authors about the water resources of Wyoming [More info]: Bibliography arranged by major areas and by reports series. Current as of 2007. Also available in PDF format.
Biological soil crusts [More info]: Explains biological soil crusts, organism-produced soil formations commonly found in semiarid and arid environments, with special reference to their biological composition, physical characteristics, and ecological significance.
Biological soil crusts: webs of life in the desert [More info]: Fact sheet on the need to protect biological soil crusts in the desert. These crusts are most of the soil surface in deserts not covered by green plants and are inhabited by cyanobacterium (blue-green algae) and other organisms useful to the ecosystem.
Boiling water at Hot Creek - The dangerous and dynamic thermal springs in California's Long Valley Caldera [More info]: Explains how these hot surface waters form, why their temperature changes often, and provides safety guidance for visiting this area.
Borehole geophysics as applied to geohydrology [More info]: Project summary, photos of logging truck, and bibliographies on log interpretation techniques and instrumentation to record geophysical data in wells and test holes for studying ground water hydraulics and evaluate waste disposal sites.
Breccia-pipe uranium mining in northern Arizona; estimate of resources and assessment of historical effects [More info]: Estimates of uranium resources affected by land withdrawal, effects of previous breccia-pipe mining, water-chemistry data for streams and springs, and potential biological pathways of exposure to uranium and associated contaminants.
California's Central Valley Groundwater Study: A Powerful New Tool to Assess Water Resources in California's Central Valley [More info]: Modeling effort that integrates a wide variety of geographic, hydrologic, agricultural, climatic, and biological information to help local land managers address resource use issues.
Canoeing North Dakota rivers [More info]: Links to streamflow, stage, pictures, maps, river descriptions, and general information for canoeing on North Dakota's rivers. Files are in PDF format.
Carbonatite and alkaline intrusion-related rare earth element deposits--A deposit model [More info]: Describes where and how mineral deposits of this type are found, including chemical and mineralogical characteristics, as well as unsolved scientific questions surrounding their origin.
Carolina slate belt gold deposits in Virginia, North Carolina, South Carolina, and Georgia [More info]: Report of research on the Carolina slate belt and gold deposits in Virginia, North Carolina, South Carolina, and Georgia with geologic mapping, mineralogic, geochemical, and fluid evolution studies, radiogenic dating, and stable isotope studies.
Central Colorado Assessment Project - application of integrated geologic, geochemical, biologic, and mineral resource studies [More info]: Diverse geoscientific and biological data collected in anticipation of ecological, land-management, and mineral resource-related problems.
Central Energy Team [More info]: Research group providing assessments of energy resources (coal, oil, and natural gas). Site links to world and national assessments, publications and products.
Central Energy Team publications [More info]: Catalog of USGS publications on energy resources of the U.S. including online publications, paper publications, and geospatial products (interactive maps and GIS data)
Central Region Mineral Resources Team [More info]: Site for programs of the Central Region Mineral Resources Team with links to products, personnel, projects and programs of land stewardship, regional geochemistry, analytical chemistry, geology and resources assessment and remote sensing.
Changes in Water Levels and Storage in the High Plains Aquifer, Predevelopment to 2007 [More info]: Summarizes changes in water levels and drainable water in storage in the High Plains aquifer from predevelopment (before about 1950) to 2007.
Changes in water levels and storage in the High Plains Aquifer, predevelopment to 2009 [More info]: Summarizes graphically the areas where water levels have dropped, and by how much, in this extensive underground water reservoir that covers several states in the mid-continent.
China's rare-earth industry [More info]: Reviews production, consumption, and reserves and important policies and regulations regarding production and trade of rare earths, including recently announced export quotas.
Chromium makes stainless steel stainless [More info]: Explains how we use chromium, the types of mineral deposits in which we find it, and the economic factors affecting supply and demand of this commodity.
Circum-Arctic Resource Appraisal: Estimates of Undiscovered Oil and Gas North of the Arctic Circle [More info]: 90 billion barrels of oil, 1,669 trillion cubic feet of natural gas, and 44 billion barrels of natural gas liquids may remain to be found in the Arctic, of which approximately 84 percent is expected to occur in offshore areas.
Coal Resource Classification System of the U.S. Bureau of Mines and U.S. Geological Survey [More info]: A report published jointly by the U.S. Bureau of Mines and U.S. Geological Survey giving definitions of coal resource classification terms.
Coal Resource Classification System of the U.S. Geological Survey [More info]: The classification system by which coal is classified into resource/reserve base/reserve categories on the basis of the geologic assurance of the existence of those categories and on the economic feasibility of their recovery.
Coal database for Cook Inlet and North Slope, Alaska [More info]: Published and nonconfidential unpublished coal data from wells in Alaska. Includes well locations, depth and thickness of coal in well, formation type and name, and business administrative information such as permit numbers.
Coal on federal lands [More info]: Information on coal on federally owned public lands with links to database and maps for federal coal ownership of the United States, Rocky Mountains and Great Plains, and Colorado Plateau.
Coal-bed gas resources of the Rocky Mountain region [More info]: Summary of the technically recoverable coal-bed gas resources of the Rocky Mountain region.
Coal-bed methane: potential and concerns [More info]: Fact sheet in PDF format on occurrence and recoverability of coalbed methane in the U.S. and related environmental concerns.
Coalbed methane studies [More info]: Methane (natural gas), while frequently developed with petroleum, also occurs in association with coal and accounts for about 7.5 percent of U.S. natural gas production. Links to digital publications on coalbed methane.
Cobalt-For strength and color [More info]: Explains how we use cobalt, where it comes from, and whether we have enough available.
Columbia Environmental Research Center [More info]: Website for the Columbia Environmental Research Center with links to staff, publications, databases, field stations, and projects including those on the Rio Grande, burrowing owls, sea turtles, and geospatial technology.
Columbia River USGS Interdisciplinary Science Explorer WebSite [More info]: Web site for an Internet Map Service (IMS) serving base cartographic data, USGS data, science applications and real time modelling analyses for the Columbia River basin using geospatial analysis technology.
Connecticut water resources publications [More info]: Links to Connecticut water publications available as HTML and PDF formats.
Contaminant Biology Program [More info]: The Contaminant Biology Program investigates contaminant exposure and effects on fish, wildlife, and other organisms, their habitat and ecosystems. Links include description of projects, research centers, and news.
Cooperative Water Program [More info]: Program that monitors, assesses, and communicates the results of the quantity and quality of water in rivers and aquifers.
Cooperative Water Program -- a partnership in the Nation's Water-Resources Program [More info]: Fact sheet (also available in PDF format) on the ongoing partnership in water resources between the USGS and non-Federal agencies primarily state, tribal, county and municipal agencies with water-resources responsibilities.
Copper - A Metal for the Ages [More info]: Sources, uses, and patterns of consumption of copper worldwide
Crustal Imaging and Characterization Team [More info]: Crustal imaging and characterization home with links to projects on earth science technologies including geophysical, geochemical, and isotope studies, online publications and data, and newsletter Minerals News.
Data visualization tools used in studies of the upper Mississippi River and nearby areas [More info]: Interactive maps and databases showing geospatial, biologic, and ecological aspects of the upper Mississippi River. Includes water quality, fish species, and vegetation distribution as well as geographic reference information.
Databases and simplified geology for mineralized areas, claims, mines, and prospects in Wyoming. [More info]: This data release contains mineral resource and geology data for metallic and nonmetallic mineral sites in Wyoming. Data is provided in both spreadsheet format (Microsoft Excel) and in GIS ArcView and MapInfo. Text available in PDF format.
Deserts, geology and resources [More info]: Online edition of booklet describing desert geology and mineral resources.
Detection and measurement of land subsidence using Global Positioning System surveying and interferometric synthetic aperture radar, Coachella Valley, California, 1996-2005 [More info]: Detailed measurements of elevation help to understand the extent and severity of subsidence. Study asks if subsidence indicates the aquifer system is compacting temporarily or permanently, and are the changes human-induced or tectonic.
Development of an assessment methodology for hydrocarbon recovery potential using carbon dioxide and associated carbon sequestration-Workshop findings [More info]: Geologic CO2 sequestration with enhanced oil recovery in existing hydrocarbon reservoirs can increase the U.S. hydrocarbon recoverable resource volume and prevent CO2 release to the atmosphere.
Development of industrial minerals in Colorado [More info]: Explains how industrial minerals are produced and overseen through governmental regulation, and describes the industrial mineral resources of central Colorado.
Devils Lake, North Dakota [More info]: Includes hydrographic information from 2000 to last seven days, water-quality data, elevation, area, and capacity data and publications on Devils Lake, North Dakota in the Red River of the North basin.
Digital representation of tree species range maps from "Atlas of United States trees" by Elbert L. Little, Jr. (and other publications) [More info]: Maps of the ranges of tree species in North America compiled by Elbert Little and others were digitized for use in USGS vegetation and climate modeling studies. Can be downloaded as ArcView shapefiles and in PDF graphic files.
Distribution of high-temperature (>150 °C) geothermal resources in California [More info]: Description and map of geothermal resources in California.
Drought and deluge: Effects of recent climate variability on groundwater levels in eastern Arkansas [More info]: Water levels in wells completed in the Mississippi River Valley alluvial aquifer and the Sparta aquifer in eastern Arkansas respond to variability associated with annual precipitation.
Drought watch Pacific Northwest states: Washington, Oregon, Idaho [More info]: Drought water homepage with links to maps showing streamflow conditions, drought definitions, resources, publications, and answers to Frequently Asked Questions (FAQs).
Duration and current conditions graphs for selected Pennsylvania sites [More info]: Plots of streamflow averages and ground water depths for selected hydrologic sites in Pennsylvania.
Eastern Energy Resources Team (EERT) [More info]: Links to overview, major programs, products and publications on coal, oil & gas, environment & human health, and resource economics, and special applications
Eastern Mineral Resources [More info]: Home page for Eastern Mineral Resources Team conducting research on the occurrence, quality, quantity, and availability of mineral resources. Links to products, descriptions of research projects, and staff.
Economics of undiscovered oil in the federal lands of the National Petroleum Reserve, Alaska [More info]: Online report summarizing the economic analysis of the U.S. Geological Survey's 2002 petroleum assessment of the Federal lands in the National Petroleum Reserve Alaska (NPRA) study area.
Edwards Aquifer online resources [More info]: Recharge and discharge summaries and other data, aeromagnetic survey map, and publications on Edwards Aquifer, Texas.
Effects of Climate Variability and Change on Groundwater Resources of the United States [More info]: How climate change affects ground water is more complex than surface water because the residence time of ground water can range from days to tens of thousands of years. Discusses some broad climatic processes may affect groundwater resources.
Elwha River dam removal -- Rebirth of a river [More info]: Overview of the USGS role in the largest dam removal project in U.S. history.
Emissions from Coal Fires and Their Impact on the Environment [More info]: Reviews how coal fires occur, how they can be detected by airborne and remote surveys, and, most importantly, the impact coal-fire emissions may have on the environment and human health, especially mercury, carbon dioxide, carbon monoxide, and methane.
End-of-month hydrologic condition reports for New York State [More info]: Site to locate most recent or archive reports for end-of-the-month hydrologic conditions with descriptions, data, charts, and maps giving an overview of water conditions during the month for the state of New York.
Energy Resources Program [More info]: Research program conducting basic and applied research on geologic energy resources and on the environmental, economic, and human health impacts of their production and use.
Energy Resources Program - Western Region [More info]: Home page for the Western Region Energy Resources Program with links to Alaska petroleum studies project, coal, oil and gas, other energy sources, environment and human health, and publications.
Energy and minerals, and environmental health [More info]: Research and assessments on mineral and energy resources, the economic and environmental effects of resource extraction and use; and on human activities that introduce chemical and pathogenic contaminants into the environment.
Enhancement of USGS scientific investigations in Texas by using geophysical techniques, 2005-10 [More info]: Annotated bibliography describing the use of electromagnetic surveying to understand the characteristics of aquifers and how they work.
Environmental processes that affect mineral deposits in the Eastern United States [More info]: Studies in Eastern United States on massive sulfide deposits in Maine, Vermont, Great Smoky Mountains, and Virginia to assess potential environmental impacts.
Erosion in the Rio Puerco: geography and processes [More info]: Paper on the accelerated erosion of the Rio Puerco, a tributary of the Rio Grande in New Mexico, which has deepened and widened its channel, or arroyo, since the settlement of the region.
Everglades Depth Estimation Network (EDEN) for support of biological and ecological assessments [More info]: Integrated network of real-time water-level monitoring, ground-elevation modeling, and water-surface modeling that provides scientists and managers with current on-line water-depth information for the entire freshwater portion of the Greater Everglades.
Evolution of 3-D geologic framework modeling and its application to groundwater flow studies [More info]: Methods to depict the connectedness of rock units across fault and fracture zones, allowing us to determine the distribution of geologic units, structural features, and other controlling factors, such as porosity and permeability.
Extreme drought to extreme floods: summary of hydrologic conditions in Georgia, 2009 [More info]: Discusses the nature and extent of extreme hydrologic events, with supporting observations of the water conditions and their effects on human activities.
Famous building stones of our Nation's capital [More info]: Describes the types and sources of materials used to build some of the most famous landmarks in Washington D.C.
Field Conference on Impacts of Coalbed Methane Development in the Powder River Basin, Wyoming. [More info]: Field trip to Powder River Basin coalbed methane (CBM) development areas showing impacts related to drilling, facilities, pipeline networks, access roads, withdrawal, and disposal of co-produced water from CBM wells.
Field techniques for estimating water fluxes between surface water and ground water [More info]: A guide to measuring the flow of water across the ground water surface water interface, with an overview of available methods and details of specific methods to use.
Fish Health Branch, Leetown Science Center [More info]: The Fish Health Branch, Leetown Science Center, investigates fish health and disease issues associated with genetics, pathogens and environmental stress. With links to workshops, leaflets, and announcements relating for fish health.
Fish passage through dams in large temperate floodplain rivers: an annotated bibliography [More info]: Report describes an electronic database of annotated citations relevant to fish passage through dams. Document may be searched using the search form or downloaded as an Endnote, Microsoft Word, or WordPerfect
Fisheries: Aquatic and endangered resources program [More info]: This program is focused on the study of fishes, fisheries, aquatic invertebrates, and aquatic habitats, and evaluates factors that affect aquatic organism health, population fitness, biological diversity, and aquatic community and habitat function.
Flagstaff Field Center [More info]: Homepage for the Flagstaff Field center with links to space science, water and ice studies, earth sciences, biological resources, Grand Canyon Monitoring and Research Center, outreach & education, data and software, and images.
Flow studies for recycling metal commodities in the United States [More info]: What happens to all the scrap metal? How well does recycling work? This guide explains what we know about the overall processes of recycling various metals.
Fluvial geomorphology studies in Kansas [More info]: Report of completed studies that have investigated the response of river and stream channels in Kansas to a variety of human-caused and natural disturbances.
Forecast Mekong [More info]: Data and reports about the overall environment in the Mekong river watershed. Includes downloadable remote-sensing data and interactive maps.
Front Range Infrastructure Resources Project (FRIRP) [More info]: Home page for the Front Range Infrastructure Resources Project, a demonstration study of the northern Colorado Front Range urban corridor and the entire Rocky Mountain Front Range urban corridor with links to projects, datasets, and publications.
Gallium--A smart metal [More info]: Usefulness and characteristics of this mineral commodity.
Gas hydrate studies: a part of the Geophysics Group [More info]: Brief overview of gas hydrates and current research. Site also contains links to related USGS research and publications and web sites of other groups participating in gas hydrate research.
Geochemistry of the Arbuckle-Simpson Aquifer [More info]: Describes the geographic extent, quality, origin, and dynamic character of this aquifer located in south central Oklahoma.
Geologic studies of mercury [More info]: Collection of six short papers related to the mercury geochemical society, the study of mercury in coal, concentrations in sediment, soil, water, and fish collected near mercury and gold mines, and volanic emissions of mercury.
Geology and hydrogeology of the Florida Keys [More info]: Article on geology and hydrogeology of the Florida Keys with sections on Holocene and Pleistocene geology, water resources, and introduction with a brief history and overview of early studies.
Geology of the Devonian Marcellus Shale--Valley and Ridge province, Virginia and West Virginia--a field trip guidebook for the American Association of Petroleum Geologists Eastern Section Meeting, September 28-29, 2011 [More info]: Detailed background information with descriptions of sites and photos explaining the geology of this organic-rich shale unit that has recently become a significant source of natural gas resources.
Geology research and information [More info]: Alternative web access to geological, geochemical, and geophysical research programs that are divided among the new USGS mission areas.
Geology, geochemistry and geophysics of sedimentary rock-hosted gold deposits in China [More info]: Second report of a joint project with the Tianjin Geological Academy to study sedimentary rock-hosted Au deposits in China.
Geoscience Data Catalog [More info]: A catalog of earth science data produced by the U.S. Geological Survey with documentation and links to the data files. Catalog is searchable by geographic location and publication series number. Includes links to information on metadata and its use.
Geothermal and hydrothermal activity [More info]: Glossary of geothermal and hydrothermal activity terms.
Geothermal industry temperature profiles from the Great Basin [More info]: Subsurface temperature, well temperature, and well data of geothermal resources in the Great Basin.
Geysers, fumaroles, and hot springs [More info]: Description of volcanic geysers, fumaroles, and hot springs.
Global inventory of natural gas hydrate occurrence [More info]: This updated global inventory reports on natural gas hydrate recovered or inferred from geophysical, geochemical, or geological evidence. Includes links to world location maps, inventories, references and posters. Also in PDF format files.
Grand Canyon studies: using ocean-research techniques to study a river system [More info]: Brief review of studies with sidescan sonar on sediment in the Grand Canyon as part of research on the changes brought about by the Glen Canyon Dam and the results gathered from a 1996-controlled flood experiment with links to related information.
Great Lakes Science Center [More info]: Site for Great Lakes Science Center, Ann Arbor, which provides information about biological resources in the Great Lakes Basin. Links to personnel, publications, data, library, facilities, research vessels, Great Lakes issues, and research.
Great Lakes Science Center research vessels [More info]: Description of ships used for Great Lakes research by scientists at the Great Lakes Science Center.
Great Lakes issues [More info]: Water resources problems of the Great Lakes including water use, bacterial contamination on beaches, status of water resources, and ground water flow.
Ground water atlas of the United States [More info]: The U.S. ground water atlas consists of information on ground water resources of 13 regions covering the 50 States, Puerto Rico, and the U.S. Virgin Islands. Text and maps can be viewed online and downloaded as ASCII, GIF, and *.eps files.
Ground water climate response network [More info]: Map showing a network of selected ground water wells in the U.S. The water levels in these wells are used to monitor the effects of droughts and other climate variability.
Ground water information pages [More info]: Lead page to connect to ground water information on the Nation's ground water resources and ground water activities of the USGS. Includes links to ground-water data, news reports, publications, field techniques, models, programs, and issues.
Ground-water data for Alabama [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Alaska [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Arizona [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Arkansas [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for California [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Colorado [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Connecticut [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Delaware [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for District of Columbia [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Florida [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Georgia [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Hawaii [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Idaho [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Illinois [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Indiana [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Iowa [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Kansas [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Kentucky [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Louisiana [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Maine [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Maryland [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Massachusetts [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Michigan [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Minnesota [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Mississippi [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Missouri [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Montana [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Nebraska [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Nevada [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for New Hampshire [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for New Jersey [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for New Mexico [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for New York [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for North Carolina [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for North Dakota [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Ohio [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Oklahoma [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Oregon [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Pennsylvania [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Puerto Rico [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Rhode Island [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for South Carolina [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for South Dakota [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Tennessee [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Texas [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Utah [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Vermont [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Virgin Islands [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Virginia [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Washington [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for West Virginia [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Wisconsin [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for Wyoming [More info]: Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Ground-water data for the Nation [More info]: National Water Information System (NWIS) real-time data on selected ground water sites, ground water level data, site inventory of wells, test holes, drains, springs and excavations and ground water-quality data for the United States.
Ground-water recharge in the arid and semiarid southwestern United States [More info]: A systematic presentation of climatic and hydrogeologic framework of the area, regional analysis of ground-water recharge, and an overview of 8 site-specific case studies.
Ground-water resources of Louisiana [More info]: Links to Louisiana statewide aquifer and well information by locating parish on a map or selecting parish, aquifer, region, or type of ground-water data (real-time water levels or geophysical data) from lists.
Ground-water resources program [More info]: This program encompasses regional studies of ground water systems, multidisciplinary studies of critical ground water issues, access to ground-water data, and research and methods development.
Groundwater Quality in the Kern County Subbasin, California [More info]: Arsenic was the trace element most frequently present at high concentrations here. High concentrations of arsenic result from the interaction of groundwater with naturally occurring minerals.
Groundwater Quality in the Southeast San Joaquin Valley, California [More info]: Arsenic and nitrate are the constituents found most commonly at high concentrations in the primary aquifers. Arsenic comes from natural sources and is affected by pH and dissolved oxygen.
Groundwater Resources of Ribeira Faja Basin, Island of Sao Nicolau, Cape Verde, West Africa [More info]: Lower precipitation and recharge, with deeper groundwater levels, suggest this basin will be less susceptible to contamination than others nearby, but may be susceptible to saltwater intrusion brought on by well pumping.
Groundwater Resources of Ribeira Paul Basin, Island of Santo Antao, Cape Verde, West Africa [More info]
Groundwater availability study for Guam; goals, approach, products, and schedule of activities [More info]: Process and plan to be used to provide reliable evaluations of the potential effects of groundwater production and help guide sustainable management of the resource.
Groundwater quality in the Coastal Los Angeles Basin, California [More info]: The occurrence of solvents in the groundwater is not correlated with current overlying land use and human activities. Rather, the solvents are from legacy industrial uses, and it has taken decades for the groundwater to move to where it is now pumped.
Groundwater quality in the San Diego Drainages Hydrogeologic Province, California [More info]: Vanadium and boron were detected at high and moderate concentrations in this area. High concentrations for these constituents were detected almost exclusively in samples collected in the Temecula Valley study area.
Groundwater quality in the San Fernando--San Gabriel groundwater basins, California [More info]: Organic solvents are the chief concern in this area, which has given rise to a systematic program of monitoring and water treatment. This study shows relatively recent results.
Groundwater quality in the Tahoe and Martis Basins, California [More info]: Recent study encountered occasional high values of radioactive trace elements, but the water quality in this area as monitored compares favorably to more urban areas studied by the same group.
Groundwater recharge in Wisconsin--Annual estimates for 1970-99 using streamflow data [More info]: The groundwater component of streamflow is important because it is indicative of the sustained flow of a stream during dry periods, is often of better quality, and has a smaller range of temperatures, than surface contributions to streamflow.
Groundwater resources of Mosteiros basin, island of Fogo, Cape Verde, west Africa [More info]: Shallow groundwater has good quality, but salinity measured in wells suggests the thin lens of freshwater under the coastal plain will be vulnerable to saltwater intrusion as a consequence of pumping.
Hawaii StreamStats; a web application for defining drainage-basin characteristics and estimating peak-streamflow statistics [More info]: Interactive maps providing selected analyses on areas you choose
High Plains aquifer resources and information [More info]: Links to reports, bibliographies, and other information on the High Plains aquifer.
Historical streamflows of Double Mountain Fork of Brazos River and water-surface elevations of Lake Alan Henry, Garza County, Texas, water years 1962-2010 [More info]: Shows graphs illustrating available data from two surface-water monitoring stations near this reservoir supplying water for the city of Lubbock.
Hydrates cruise in the Gulf of Mexico [More info]: Investigation of the upper- and middle continental slope of the Mississippi Canyon, including the Gulf of Mexico, for the distribution of gas-hydrate deposits with links to a DEM image map, bathymetry data, and research technology.
Hydrologic conditions for Illinois: Drought perceptions, effects, and assessment [More info]: Map of stream conditions and links to precipitation data, drought statistics, and information on floods and droughts in Illinois.
Hydrologic conditions in Georgia, 2010 [More info]: Georgia has recently seen a lot of extreme weather events triggering widespread flooding. This summary of streamflow and discharge from selected locations shows graphically the conditions during 2010.
Hydrologic research and development program [More info]: Program supporting investigations that are generally long-term and multi-disciplinary, and that integrate hydrological, geological, chemical, climatic, and biological information related to water resources issues.
Hydrologic studies in Long Valley caldera [More info]: Hydrologic monitoring data for Long Valley caldera, California, on springs, streams, wells, fumaroles, and precipitation to study the natural hydrologic variations and the response of the hydrologic system to volcanic and tectonic processes.
Hydrologic studies in Oregon [More info]: Links to water data studies for river and lake basins in Oregon including ground water and water quality studies.
Hydrologic unit maps [More info]: Overview of hydrologic unit maps adapted from USGS Water-Supply Paper 2294 giving description of hydrologic units, link to list of hydrologic units, paper maps and digital spatial data sets.
Hydrology primer [More info]: General information on the science of hydrology with information on ground water, surface water, water use, the work of hydrologists, and hydrology as a career.
Hydrology, phenology and the USA National Phenology Network [More info]: Explains how hydrologic factors interact with phenology
Impounded river systems [More info]: Article from Status and Trends of the Nation's Biological Resources on the serious impacts to river systems due to damming and flow regulation, and rehabilitation, monitoring, and research on such rivers.
In-Place Oil Shale Resources Underlying Federal Lands in the Piceance Basin, Western Colorado [More info]: We estimated an in-place oil shale resource of 1.07 trillion barrels under Federal mineral rights, or 70 percent of the total oil shale in place, in this area.
In-place oil shale resources examined by grade in the major basins of the Green River Formation, Colorado, Utah, and Wyoming [More info]: We estimated a total of 4.285 trillion barrels of oil in-place in the oil shale of this area using a geology-based assessment methodology.
Interagency Hydrology Committee for Alaska [More info]: Information on the Interagency Hydrology Committee for Alaska, an organization of technical specialists at the federal, state, and local levels who are coordinating the collection and implementation of water resources related data in Alaska.
Kentucky District - program highlights [More info]: Brief descriptions of research programs in water resources in Kentucky with a few links to program websites. Programs include data collection projects, acid mine drainage, hydrodynamics, geology, waste site cleanup and hydrogeology.
Lake Tahoe Data Clearinghouse [More info]: This website is a gateway to information and data on Lake Tahoe with links to Lake Tahoe Initiative, geography, history, lake facts, GIS Data, DEM, DOQ, DLG imagery, bathymetry, satellite imagery, land cover, census, soils, pictures, and general maps.
Land subsidence and aquifer-system compaction in the Tucson Active Management Area, south-central Arizona, 1987-2005 [More info]: Results of ground-surface monitoring and borehole water table measurements document subsidence of the land surface correlative with changes in the ground water.
Landscape consequences of natural gas extraction in Allegheny and Susquehanna Counties, Pennsylvania, 2004--2010 [More info]: Quantifies the landscape changes and consequences of natural gas extraction by digitizing indications of disturbance on NAIP aerial photographs and using these with the NLCD to show land use-land cover change.
Landscape consequences of natural gas extraction in Bradford and Washington Counties, Pennsylvania, 2004-2010 [More info]: Quantifies the landscape changes and consequences of natural gas extraction by digitizing indications of disturbance on NAIP aerial photographs and using these with the NLCD to show land use-land cover change.
Large floods in the United States: where they happen and why [More info]: Discussion of large floods and occurrence in relationship to regional climatology, topography, and basin size.
Lead-Soft and easy to cast [More info]: Explains how we use lead, where it comes from, and how we might ensure that we have adequate supplies of this mineral commodity in the future.
Lewis and Clark and the U.S. Geological Survey in North Dakota [More info]: Homepage linking the historic journey of Lewis and Clark and the research of the USGS in the same region with links to mapping history, remarkable points on the Missouri River, educational activities, photo gallery, and publications.
Limestone - A crucial and versatile industrial mineral commodity [More info]: Uses and availability of limestone and related commodities such as lime and portland cement. Hazards of limestone terranes due to erosion and sinkhole formation.
List of spatial data sets for water [More info]: Links and brief summaries of available geospatial datasets for producing map layers on a variety of topics related to water including data on locations of aquifers, stations, land use and others.
Locations and attributes of wind turbines in Colorado, 2009 [More info]: Data as of 2009, includes facility name, facility power capacity, number of turbines associated with each facility to date, facility developer, facility ownership, year the facility went online, and development status of wind facility.
Locations and attributes of wind turbines in New Mexico, 2009 [More info]: Data as of 2009, includes facility name, facility power capacity, number of turbines associated with each facility to date, facility developer, facility ownership, year the facility went online, and development status of wind facility.
Major aquifers in New Jersey [More info]: Geologic description of the principal coastal and non-coastal aquifers in New Jersey and relationship to water quality and water supply.
Map showing geology, oil and gas fields and geologic provinces of Africa, ver. 2.0 [More info]: Digitally compiled interactive maps with links to metadata, descriptions of map units, and data files.
Mapping grasslands suitable for cellulosic biofuels in the Greater Platte River Basin, United States [More info]: Study to identify grasslands that may be suitable for cellulosic feedstock production. Producing ethanol from non-cropland areas such as grassland will minimize the effects of biofuel developments on global food supplies.
Marine aggregate resources and processes [More info]: Regional studies mapping the seafloor sedimentary character and assessing marine sand and gravel resources around the United States, to inform beach nourishment and coastal restoration, benthic habitat and sediment transport studies
Marine reserves and biological habitats: Monterey Bay, California [More info]: Brief description of the research program to inventory the natural resources of Monterey Bay National Marine Sanctuary with links to cruises, and publications and products, including an internet map server, imagery, and geologic descriptions.
Massachusetts and Rhode Island District water data [More info]: Links to streamflow, surface and ground water, water quality, flood, drought, and precipitation data in real-time and for historic time periods for Massachusetts and Rhode Island.
Measuring human-induced land subsidence from space [More info]: Examples of the use of Satellite Interferometric Synthetic Aperture Radar to measure and map changes on the Earth's surface as an aid to understanding how ground-water pumping, hydrocarbon production, or other human activities cause land subsidence.
Measuring land subsidence from space [More info]: Describes the use of satellite-borne Interferometric Synthetic Aperture Radar (InSAR) to precisely measure, monitor, and assess small changes in land surface elevation resulting from human-induced or naturally occuring land subsidence.
Mercury and halogens in coal--Their role in determining mercury emissions from coal combustion [More info]: Explains the complex relationships between coal, mercury, and halogens in light of ongoing efforts to reduce the emission of mercury into the environment.
Methods for estimating concentrations and loads of selected constituents in tributaries to Lake Houston near Houston, Texas [More info]: Water from this reservoir will be used more extensively by the city, so we are developing methods of assessing the water quality in real time by measuring characteristics of stream flow that correlate with important water quality data.
Methow River Basin [More info]: Description of studies conducted to evaluate the surface water, ground water, water interactions, and water quality of Methow River Basin in Washington. With links to related science topics, datasets, maps, project summaries, and news.
Michigan District - USGS Federal-State Cooperator Program [More info]: Links to websites of state, county and regional, township, municipal and tribal cooperators assisting with the funding and studies of the Michigan District research projects and data collection related to Michigan's water resources.
Michigan hydrologic summary [More info]: Links to websites providing data and information related to Michigan hydrology including droughts, floods, current water conditions, Great Lakes water levels, climatology, and weather.
Mid-Atlantic Federal Partners for the Environment (MAFPE) [More info]: Information on organization of federal agencies committed to conserving, managing, and protecting Mid-Atlantic region's natural resources.
Mineral Resources Data System (MRDS) [More info]: MRDS is a worldwide database of metallic and industrial mineral sites. Links to portions of the database that are available online.
Mineral Resources Program [More info]: Homepage of the Mineral Resources Program that provides current, impartial information on the occurrence, quality, quantity, and availability of mineral resources with links to projects, publications, spatial data, teams, issues, and news.
Mineral commodity statistics and information [More info]: Database of mineral and material commodities with descriptions, contacts, and historical and current statistics of worldwide supply, demand, production and trade in Mineral Commodity Studies, Minerals Yearbooks, and special publications.
Mineral deposit models [More info]: Publications by the USGS on mineral deposit models converted to digital files that can be downloaded. Some are *.pdf files requiring Adobe Acrobat Reader to view and download text
Mineral resources online spatial data [More info]: Website for geospatial data on mineral resources of the U.S. or the world that users can locate by geographic area, view, and download.
Mineral resources spatial data [More info]: Geochemical, geological, geophysical, mineral, and general reference spatial datasets that users can locate and download.
Minerals information [More info]: Statistics and information on worldwide supply, demand, and flow of minerals and materials essential to the U.S. economy, national security, and protection of the environment. Links to publications, recycling, and historical statistics.
Minerals publications and data products [More info]: Site for publications on minerals resources with links to those online. Includes reports in series, CD-ROMS, spatial data, statistics and commodity information, and mineral resources publications of regional Mineral Resources Teams.
Mines and mineral processing facilities in the vicinity of the March 11, 2011, earthquake in northern Honshu, Japan [More info]: Number and types of mineral facilities in the area affected by the earthquake, with comments on physical infrastructure that these facilities are likely to require.
Minnesota water-resources projects [More info]: Links to descriptions of research projects on water resources in Minnesota listed by project number.
Missouri District Surface-Water Data & Analysis Section [More info]: Overview of the Surface-Water Data & Analysis Section of the Missouri District with links to real-time and historic water data, staff members, and projects on bridge scour and gaging station network.
Missouri River InfoLink: a clearinghouse of Missouri River information [More info]: Portal for Missouri River Infolinks, a clearinghouse to multiple links giving Missouri information, photo gallery, river weather forecast, projects and features, maps, meetings, history, and science research.
More than broken jars and roof tiles: the environmental legacy of a Roman mineral industry at Plasenzuela, Extremadura, Spain [More info]: Adaptation of a poster presented at Metals in Antiquity Symposium, Harvard, September 10-13, 1997.
Multibeam data and socio-economic issues in west-central San Francisco Bay [More info]: Webpage based on USGS Open File Report 98-139 links to information on the San Francisco Bay estuary to study dredge disposal effects, fish habitats, sediment transport, rock pinnacles and navigation, and consequences of a large oil spill.
Nahcolite Resources in the Green River Formation, Piceance Basin, Northwestern Colorado [More info]: Resource assessment of nahcolite, a mineral with a variety of industrial uses, which occurs with oil shale and is affected by the processes used to recover hydrocarbons from the rock.
National Coal Assessment [More info]: The USGS National Coal Assessment provides a quantitative study of the nation's coal endowment. Links to digital publications with maps for the Illinois Basin, Colorado, Arizona, Utah, and New Mexico, and Wyoming, Montana, and North Dakota.
National Coal Resource Assessment: Geologic assessment of coal in the Colorado Plateau: Arizona, New Mexico, and Utah [More info]: Coal resources, stratigraphy, geochemistry, coal quality and geology of coal in the Colorado Plateau, Arizona, New Mexico and Utah. Text in PDF format and available on CD-ROM.
National Coal Resources Data System - US Coal Quality Database [More info]: Searchable database, the COALQUAL database, presented here and in the USGS Open-file Report 97-134, is a subset of samples contained in the NCRDS (National Coal Resources Data System) database, and contains coal quality data on each sample.
National Coal Resources Data System - US Coal Resource Database (USGCOAL) [More info]: Searchable database for locating information on coal resources by area, coalfield, coalbed, rank, quadrangle, source, years, or characteristics of thickness, overburden, and reliability.
National Geologic Map Database Catalog [More info]: Search tool for locating print and online U.S. geologic maps by area, title, author, etc.
National Handbook of Recommended Methods for Water Data Acquisition -- Chapter 11 - Water Use [More info]: Provides standards and guidance for measuring, estimating, collecting, and analyzing water-use data. Includes brief descriptions of water-use activities, commonly used water-use terminology, and approaches and methods used in estimating water use.
National Hydrography Dataset (NHD) [More info]: Main page for National Hydrography Dataset (NHD), a comprehensive set of digital spatial data about surface water features, with links to references, data, software tools, applications, tutorials, technical support, and data maintenance.
National Oil and Gas Assessment [More info]: Links to oil and gas assessment maps of major basins in the United States and to related publications, and products.
National Petroleum Reserve Alaska Legacy Data Archive [More info]: Access is provided to seismic data, image files of seismic data, well logs, and cores of petroleum reserves in Alaska from the National Petroleum Reserve, Alaska, and (NPRA) Legacy Data Archive.
National Research Program (NRP) for water resources [More info]: The USGS National Research Program for water resources supports hydrologic research in support of the mission of the U.S. Geological Survey. Site provides links to search for current projects and for postdoctoral opportunities.
National Stream Quality Accounting Network (NASQAN) [More info]: Homepage for description of the National Stream Quality Network (NASQAN), a long-term program monitoring the concentrations and flux of sediment and chemicals in the Nation's largest rivers (Mississippi, Columbia, Colorado, Rio Grande, and Yukon).
National Streamflow Information Program [More info]: National Streamflow Information Program home page describing the operation and maintenance of 7000 streamgages, overview of the program, system for collection of streamflow data, maintaining of historic streamflow data, and available reports.
National Streamflow Information Program: Implementation Status Report [More info]: Describes and explains why and how USGS and its cooperators operate about 7,500 stream gages nationwide, the types of information we obtain from them, and the problems that can be addressed as a result.
National Water Information System (NWISWeb) data for Illinois [More info]: National Information Water System (NWIS) water data for Illinois including real-time current conditions, streamflow data, site information, ground-water data, and water-quality data.
National Water Information System (NWISWeb) data for the Nation [More info]: NWISWeb homepage for the National Water Information System providing access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico.
National Water-Quality Assessment data warehouse [More info]: Data warehouse for national water quality program with links to chemical, biological, and physical data for water, sediment and animal tissues, nutrient, pesticide, and VOC levels, streamflow, and ground water levels from national study units.
National bridge scour database [More info]: Database with detailed data on sites and data collected on scour (downward erosion by streamflow) at bridges, piers, and abutments in the United States.
National hydrography dataset--linear referencing [More info]: Explains how the NHD specifies point locations within streams by using a code to indicate the reach (including the hydrologic unit) and a measure, which indicates how far the point is from the downstream end of the reach.
National research program (water resources), western United States [More info]: Home page for links to state district activities in water resources data collection, research, and analysis in the Western Region.
Natural gas hydrates: vast resources, uncertain future [More info]: Fact sheet (PDF format) on gas hydrates occurrence, recovery, and use as an energy source.
Natural gemstones [More info]: Online booklet on natural gemstones, terminology, geologic environment, birthstones, U.S. production, chemical formulas, and references.
Natural oil and gas seeps in California [More info]: Distribution and characteristics of natural oil and gas seeps in California, including processes of formation and effects on the environment; with discussion of tar pits and asphaltum.
Nearshore Benthic Habitat Project [More info]: Homepage for the Nearshore Benthic Habitats Project for mapping geophysical characterization of the coastal sea floor to identify benthic fish and shellfish habitat with links to research cruises and preliminary results.
Nevada Water Science Center Projects [More info]: Links to detailed descriptions of USGS water-related research projects in Nevada with project information, location maps, and bibliographies including online reports.
New Jersey District - ground water information [More info]: Links to New Jersey ground-water data including hydrogeology with a geologic map and description of major aquifers, water levels including real-time data and drought levels, and water-quality information.
New Jersey District - surface water information [More info]: Links to water data for New Jersey including streamflow, sampling stations, and water-quality data with links to reports on stream gages, hydrology, networks, and floods.
New Jersey drought watch [More info]: Update on daily streamflow conditions and drought situation in New Jersey.
New Jersey ground-water level observation wells [More info]: Site for ground water level data and additional information for New Jersey wells in the most important aquifers in New Jersey. Links to well stations are grouped by county and township giving access to hydrographs and data.
New Mexico District - cooperating agencies [More info]: Collecting water-resources data and conducting interpretive hydrologic investigations are accomplished in cooperation with local, tribal, State, and Federal agencies. Links are to agencies cooperating with the New Mexico District.
New York state current studies and research [More info]: Links to summaries of USGS studies and research on water resources in the state of New York arranged by project number.
Nickel - Makes stainless steel strong [More info]: Uses, sources, and history of Nickel as a mineral commodity.
North Dakota River Basin map for current streamflow conditions [More info]: Links by geographic area in North Dakota or by gaging station number to hydrographs, downloadable data, and site description of streamflow stations.
Northern Appalachian Field Branch, Leetown Science Center [More info]: Description of scientific focus and research at the Northern Appalachian Field Lab on mining land use impacts and mediation, aquatic ecology, effects of dam removal, and invasive plant and animal species.
Northern prairie biological resources [More info]: Retrieval system to locate websites on publications and compilations on biological resources. Searches can be made by type, such as checklists, distribution, and regional overviews, by taxon, and by geography, including global, U.S., and Canada.
Ohio District - list of cooperators [More info]: Links to web pages of state, local, and federal agencies supporting water-resources investigations in cooperation with the USGS in Ohio.
Oklahoma District - list of cooperators [More info]: List of cooperating agencies and institutions that partner with the USGS in studies related to water resources and hydrology in Oklahoma.
Oklahoma Geographic Information Systems (GIS) data [More info]: Access to GIS geospatial datasets for Oklahoma and the United States for Geographic Information Systems (GIS) applications.
Online assessment of hydrologic conditions in Texas [More info]: Brief summaries of USGS projects in Texas including water quality monitoring, digital mapping, energy resources, U.S.-Mexico border mapping, fish and wildlife health, Kemp's Ridley sea turtle, and conditions affecting water quality.
Organic Geochemistry Laboratory in Denver [More info]: Description of the Denver Organic Geochemistry Laboratory where chemical and geological data is used to research the physical and chemical processes of hydrocarbon generation, migration and accumulation, with links to programs, personnel, and products.
Organic compounds in Elm Fork Trinity river water used for public supply near Carrollton, Texas, 2002-05 [More info]: We identified six compounds at concentrations less than human-health benchmarks, but within a factor of 10 of those limits. Those compounds might warrant further study to understand their transport and fate within the watershed.
Organic metamorphism in the California petroleum basins: Chapter A - ROCK-EVAL and vitrinite reflectance [More info]: Part A of a complex report on the results of ROCK-EVAL and vitrinite reflectance analysis of a large sample base from more than 70 wells located in three oil-rich California petroleum basins in order to study the formation of oil deposits.
Organic metamorphism in the California petroleum basins: Chapter B - Insights from extractable bitumen and saturated hydrocarbons [More info]: Part B of a complex report on the results of geochemical analysis of 75 shale samples from the Los Angeles, Ventura, and San Joaquin Basins to gather observations relevant to exploration regarding the formation of oil deposits in these basins.
Pacific Northwest geologic mapping and urban hazards [More info]: Description of research underway in the Pacific Northwest including geologic mapping and urban hazards studies with links to geologic maps, publications, and data.
Pathways of metal transfer from mineralized sources to bioreceptors [More info]: A synthesis of the Mineral Resources Program's past and future research directions in the western U.S. on metal contamination due to mineral deposits and mining and the environmental effects on living organisms. Chapters 1, 4, and 6 as PDF files.
Pennsylvania downloadable spatial data (GIS data files) [More info]: Pennsylvania digital data for watershed boundaries, county geology, and flood mapping in Arc/Info format compressed with gzip utility for downloading plus links to other sources of data.
Pennsylvania fractured rock hydrology research [More info]: Links to reports for Pennsylvania on borehole geophysical studies, aquifer tests and properties, modeling, and hydrologic effects of an earthquake with links to MOC3D solute transport software package, program mission, and bibliography.
Pesticides in Midwestern rivers, 1989-2002 [More info]: Overview of aspects of research on pesticides and herbicides in Midwestern rivers with collection of data, results over a period of time, online publications, and bibliography.
Plus side of volcanoes: geothermal energy [More info]: Examples of the use of volcanic energy in geothermal power plants.
Possible effects of groundwater pumping on surface water in the Verde Valley, Arizona [More info]: We applied a groundwater model to simulate effects of groundwater pumping and artificial recharge on surface water in this area. Results show effects of pumping or recharge on streamflow.
Potential environmental impacts of quarrying stones in karst - a literature review [More info]: This report is the result of an extensive literature search to determine the state-of-the-knowledge regarding environmental impacts from quarrying carbonate rocks in karst formations to better use of karst resources in sustainable ways.
Potential for technically recoverable unconventional gas and oil resources in the Polish-Ukrainian Foredeep, Poland [More info]: Using a performance-based geological assessment methodology, we estimated mean volumes of 1,345 billion cubic feet of potentially technically recoverable gas and 168 million barrels of technically recoverable oil and natural gas liquids here.
Preliminary Assessment of Non-Fuel Mineral Resources of Afghanistan, 2007 [More info]: Estimates of known and undiscovered copper resources total nearly 60 million metric tons of copper. Iron resources in known deposits total 2200 million metric tons of ore. Twenty mineralized areas meriting further study were identified.
Produced waters database [More info]: Database provides information on petroleum reservoirs, type and abundance of constituents dissolved in produced water, geochemical reactions between the water and rock, hydrology and geologic, spatial distribution of petroleum production areas.
Publications on Techniques of Water-Resources Investigations [More info]: List of publications in the series Techniques of Water-Resources Investigations on the procedures for the planning and conducting of specialized research in water resources.
Quantifying effects of climate change on the snowmelt-dominated groundwater resources of northern New England [More info]: Planned analysis of the sensitivity of groundwater levels to changes in air temperature and precipitation. Changes in groundwater recharge and discharge also will be correlated with other hydrologic indicators.
Rare earth elements--End use and recyclability [More info]: Rare earth element use is changing with technology. This report explains how we use them and the prospects for recycling these important commodities.
Real-time water levels for reservoirs in Puerto Rico [More info]: Links to stations in Puerto Rico for real-time information on water levels for reservoirs.
Recent news releases from the Wyoming District [More info]: News releases from Wyoming District on Wyoming water conditions.
Regional assessments of the Nation's water quality--Improved understanding of stream nutrient sources through enhanced modeling capabilities [More info]: Studies of the sources, transport, and fate of nutrients in the streams of six major regions of the conterminous United States.
Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [More info]
Remaining recoverable petroleum in giant oil fields of the Los Angeles Basin, southern California [More info]: We estimated between 3.2 and 5.6 billion barrels of additional oil may be recovered with existing technology in this area using a probabilistic geology-based assessment methodology.
Rio Grande data project [More info]: Water-resource related projects on the Rio Grande ongoing or completed by Federal, state, local, or other agencies, to facilitate sharing of data related to the Rio Grande.
River corridor habitat dynamics, Lower Missouri River [More info]: Detailed description of The Lower Missouri River Corridor Habitat Dynamics Project studying river habitat in a heavily engineered river.
River inventory and monitoring [More info]: Links to science programs on upper Midwest river inventory and monitoring with links to databases on macroinvertebrates, fisheries, vegetation, water quality, bathymetry, floodplain forest, wildlife, sediment, contaminants and nutrients.
Science In Your Watershed [More info]: Enables you to identify and locate a specific watershed, find scientific publications or research work going on there, and begin to integrate observations of your watershed with other data.
Science to support the understanding of Ohio's water resources [More info]: Short descriptions of a variety of ongoing USGS studies focused on water resources in Ohio.
Science to support the understanding of south Texas surface-water and groundwater resources in a changing landscape [More info]: Short descriptions of the research and monitoring activities we are carrying out to assist state, local, and Federal agencies dealing with water resource issues in the southern part of the state.
Scientists discover analog for extraterrestrial life in Idaho Hot Springs [More info]: Report on a community of microscopic organisms, Archaea, found deep in an Idaho hot spring living on hydrogen and carbon dioxide that could possibly exist on other planets. Includes links to related studies, investigators, and microbiology.
Search for Washington State publications [More info]: Bibliography of published reports, maps, journal articles, and proceedings related to the water resources of Washington State as published by the U.S. Geological Survey, or in cooperation with other Federal or State agencies.
Selected Western Region Mineral Resources on-line publications [More info]: Links to digital publications on minerals and mineral resources research in the western United States.
Sense of place: a place-based approach to science for land management [More info]: Examples of on-site, place-focused research programs using USGS scientists in land management projects.
South Dakota District - our cooperators [More info]: Links to web sites of cooperators coordinating with the USGS South Dakota District in the collection of water resources data includes federal, state, tribal and local agencies.
Southeast Ecological Science Center - poster presentations [More info]: Poster presentations related to Greater Everglades, marine and coral studies, ecotoxicology, manatees, coastal ecology, nonindigenous aquatic species, coastal ecology, freshwater fisheries, and herpetology.
Southern Appalachian Research Branch, Leetown Science Center [More info]: Cooperative research in the biological, geophysical, and social sciences with emphasis on upland ecosystems in the southern Appalachian highlands.
Spectroscopy Lab [More info]: Links to Spectroscopy Lab projects to identify and map materials through spectroscopic remote sensing (imaging spectroscopy, hyperspectral imaging, imaging spectrometry, ultraspectral imaging, etc) on the Earth and in space.
State Water Resources Research Institute Program [More info]: Homepage of the Water Resources Research Institute (WRRI) Program with links to institutes, projects, and programs.
State minerals statistics and information [More info]: Links to mineral statistics from annual Mineral Yearbooks for each state in the United States and Puerto Rico, with contacts for further information, and means to apply for e-mail subscription service for regular updates.
Statewide observation well network in Pennsylvania [More info]: In 1931, the USGS established a statewide network of wells in Pennsylvania to monitor water-level fluctuations. This network consists of 68 wells to monitor ground water conditions during droughts. Links to ground-water data, hydrographs, and levels.
Streamflow statistics for US states [More info]: Streamflow statistics and basin characteristics for most streams in specific US states using the Streamstats program. Data for areas can be selected from interactive maps and by an automated process. Includes a tutorial.
Summaries and data packages of important areas for mineral investment and production opportunities in Afghanistan [More info]: Shows where important mineral resources are located in Afghanistan, the type of deposits there, the commodities that are present, and describes the data available to support further exploration and exploitation of these resources.
Summary of Bed-Sediment Measurements Along the Platte River, Nebraska, 1931-2009 [More info]: Studies of the size of bed sediment along the length of a river through time show how the river channel will be affected by development or management efforts.
Summary of estimated water use in the United States in 2005 [More info]: Estimates the amount of several types of water (surface or groundwater, freshwater or saltwater) withdrawn for use in 2005, detailing the major activities for which the water was used.
Summary of the diamond resource potential and production capacity assessment of Guinea [More info]: Describes organizational process and field study used to estimate production capacity (mostly by artisanal miners) in the parts of the country likely to contain diamonds. We estimate a production capacity of 600,000 carats per year.
Summary of the reconnaissance investigation of the diamond resource potential and production capacity of Côte d'Ivoire [More info]: Study integrating archival reports and maps, satellite imagery, and terrain modeling to estimate resource reserves of 11,200,000 carats in two regions of the country.
Surface water information pages [More info]: Lead page for detailed United States surface water information with links to real-time and historic streamflow data, suspended sediment data, USGS programs and facilities, publications, techniques, and featured news releases.
Surface-water data and statistics from U.S. Geological Survey data-collection networks in New Jersey on the world wide web [More info]: Streamflow-gaging and water quality sampling sites with real-time and historical surface-water data for many of the sites in New Jersey.
Surface-water data for Alabama [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Alaska [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Arizona [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Arkansas [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for California [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Colorado [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Connecticut [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Delaware [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for District of Columbia [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Florida [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Georgia [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Hawaii [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Idaho [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Illinois [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Indiana [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Iowa [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Kansas [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Kentucky [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Louisiana [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Maine [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Maryland [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Massachusetts [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Michigan [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Minnesota [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Mississippi [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Missouri [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Montana [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Nebraska [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Nevada [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for New Hampshire [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for New Jersey [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for New Mexico [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for New York [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for North Carolina [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for North Dakota [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Ohio [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Oklahoma [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Oregon [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Pennsylvania [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Puerto Rico [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Rhode Island [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for South Carolina [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for South Dakota [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Tennessee [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Texas [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Utah [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Vermont [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Virgin Islands [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Virginia [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Washington [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for West Virginia [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Wisconsin [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for Wyoming [More info]: Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Surface-water data for the Nation [More info]: Homepage for USGS national surface-water data with more than 850,000 station years of time-series data for stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall plus real-time data and tutorial.
Surface-water reports [More info]: Links to Office of Surface Water reports on streamgaging, streamflow data and information, current meters, sediment, modeling, journal articles, and techniques.
Sustainability of natural attenuation of nitrate in agricultural aquifers [More info]: Nitrate from fertilizer is degraded by microbial action in the presence of solid minerals. This helps mitigate the effect of the nitrate, but begins to diminish the solid minerals needed. Will the process be sustainable in the long term?
Taking the Pulse of a River System: Research on the Upper Mississippi River System [More info]: Short summaries of long-term research projects concerning the biological health of this section of the Mississippi river.
Tennessee publications on water resources [More info]: Access to online publications produced by the Tennessee District and its cooperators on Tennessee water resources.
Terrestrial essential climate variables (ECVs) at a glance [More info]: Explains 16 distinct types of scientific information that are needed to understand climate change, including the specific parameters measured, why they are needed, who measures them, and the type and amount of information that are not yet available.
The Cottonwood Lake study area, a long-term wetland ecosystem monitoring site [More info]: Here we study effects of climate and groundwater on surface-water levels, the hydrological effects on wetland water chemistry, and the combined effects of climate, hydrology, and water chemistry on plant and animal communities of prairie pothole wetlands.
The Great Flood of 1993 [More info]: Photos, publicatons and recordbreaking flood peaks from the flood that included 9 states, the Mississippi and Missouri Rivers, and completely inundated 75 towns.
The Marine Realms Information Bank family of digital libraries: Access to free online information for coastal and marine science [More info]: An introduction to three related USGS digital libraries: the general-purpose Marine Realms Information Bank (MRIB); the regionally focused Monterey Bay Science (MBS) Digital Library; and the topically focused Coastal Change Hazards (CCH) Digital Library.
The chronology for the d18O record from Devils Hole, Nevada, extended into the Mid-Holocene [More info]: This study extends the oxygen isotope record of this important paleoclimate record forward in time to cover more recent history, up to 4,500 years before present.
The future of rare earth elements--will these high-tech industry elements continue in short supply? [More info]: Presentation describing uses of rare earth elements, why they are important, where they occur and are produced, and aspects of the economics of production and consumption with emphasis on sites that might be developed for production.
The life cycle of a mineral deposit - A teacher's guide for hands-on mineral education activities [More info]: Defines what a mineral deposit is and how a mineral deposit is identified and measured, how mineral resources are extracted, and how a mine site is reclaimed; how minerals are processed; and how we use minerals in everyday life.
The principal rare earth elements deposits of the United States-A summary of domestic deposits and a global perspective [More info]: Explains the geologic setting in which these deposits are found, with information about production and the processes used to extract these valuable mineral resources.
The rivers of Mississippi [More info]: Colored maps and geographic descriptions of major river basins in the state of Mississippi.
Thermal Properties of Methane Gas Hydrates [More info]: This unusual form of hydrocarbons can alter the thermal properties of host sediments; the analysis presented here helps us understand how those sediments might behave under natural or human-induced changes in the environment.
Tintina gold province study, Alaska and Yukon Territory, 2002-2007 [More info]: New discoveries and modernized extraction methods prompted renewed interest in gold deposits in this part of central Alaska, prompting a variety of studies described here.
Toxicity and bioavailability of metals in the Missouri River adjacent to a lead refinery [More info]: Report (PDF format) on an evaluation of the potential environmental impacts of contaminated ground water from a metals refinery adjacent to the Missouri River in Omaha, Nebraska testing water and sediments for contaminants and toxicity.
U.S. Geological Survey Community for Data Integration-NWIS Web Services Snapshot Tool for ArcGIS [More info]: Software used within GIS allowing streamflow, water level, and water quality data to be obtained on demand through the Internet.
USGS - Nebraska cooperators and other contacts [More info]: Links to webpages of federal, state, local & municipality agencies and Nebraska Natural Resource Districts that are cooperators with the Nebraska District in the collection of water resources data. Plus contacts for other related agencies.
USGS / Department of Energy cooperative studies in Nevada [More info]: Describes cooperation of the USGS office in Las Vegas, Nevada, with the Department of Energy to address environmental and scientific issues at the Nevada Test Site and vicinity with links to project information.
USGS Ground-Water Networks [More info]: Maps of three ground-water monitoring networks that group related wells and data from active well networks, and provide basic statistics about the water-level data collected by USGS.
USGS Water Science Cooperators and Partners in Nevada [More info]: Links to water resources data customers of the Nevada District includes federal, state, and regional agencies and Indian tribes.
USGS activities in Nevada [More info]: Homepage for USGS projects in Nevada with links to geography, biology, geology and water projects, news items, customers, Frequently Asked Questions (FAQs), education, recreation, data, studies, and publications on Nevada.
USGS fact sheets [More info]: Access and listing of popular USGS publications listed by themes: resources, hazards, environment, information management, and states, and also by scientific discipline.
USGS guide to federal environmental laws and regulations [More info]: Guide to major U.S. environmental statutes and corresponding regulations on air quality, fish and wildlife conservation, cultural and historic resources, solid and hazardous substances, public lands, farmlands, and water resources.
USGS projects in Illinois [More info]: Links to Illinois District water projects including projects on water quality, radium in ground water, ground water studies, and streamflow studies.
USGS publications on Illinois water resources [More info]: List of Illinois District publications, report abstracts, water resources abstracts, and fact sheets, newsletter archives on water resources in Illinois with links to online publications.
USGS recreation site: your science gateway for safe and vital enjoyment of the outdoors [More info]: Gateway to useful USGS websites for recreation in nature watching and exploring, boating, camping, climbing, fishing, hiking, biking, and hunting, with links to maps, real-time streamflow, geology, photos, and plant and animal information.
USGS research on Florida's isolated freshwater wetlands [More info]: Explains the geologic and hydrologic setting of freshwater wetlands and shows how USGS scientists study these areas.
Unconsolidated aquifers of upstate New York [More info]: Information on aquifers in upstate New York which consist of unconsolidated deposits of sand and gravel that occupy major river and stream valleys or lake plains. Links to aquifer maps at scales 1:24,000 or 1:250,000 and cooperative publications.
Understanding pesticides in California's Delta [More info]: The Sacramento-San Joaquin River Delta is the hub of California's water system and an important habitat for fish and wildlife. USGS research has provided resource managers and other stakeholders with a good understanding of how pesticides enter the Delta.
Upper Midwest Environmental Science Center (UMESC) [More info]: Homepage for Upper Midwest Environmental Science Center, LaCrosse, Wisconsin, with links to data library, geographical search, science programs, partnerships, long-term resource monitoring program, reports and publications, and education.
Upper Mississippi River fish and macroinvertebrate data [More info]: Interactive databases providing detailed information on fish and macroinvertebrate abundance and diversity over time in pools of the upper Mississippi River basin.
Use of Minerals and Materials in the United States From 1900 Through 2006 [More info]: Types and quantities of raw materials used by U.S. manufacturers and consumers, which have changed significantly as the economy has moved from one that is predominantly agricultural to one that is primarily industrial.
Use of raw materials in the United States from 1900 through 2010 [More info]: Since the beginning of the 20th century, the types and quantities of raw materials used by U.S. manufacturers and consumers have changed over time. This fact sheet quantifies the amounts of those materials used, other than food and fuel.
Volcano Hazards Program, California Volcano Observatory [More info]: Overview of volcano hazards in California with links to monitoring data including earthquakes and deformations, long-term outlook, volcano hazards in the area, USGS response plan, image gallery, monitoring and topical studies, publications and references.
Water Information Coordination Program (WICP) [More info]: An interagency program that improves information about natural resources management and environmental protection. The Advisory Committee on Water Information identifies water information needs, evaluates information and recommends improvements.
Water Resources Inventory Area 1 (WRIA1) Watershed Management Project [More info]: Hydrologic data web page for the Water Resources Inventory Area 1 (WRIA 1) Watershed Management Project studying surface and ground water in the Nooksack watershed in northwest Washington. Links to environmental data and maps.
Water Resources and Natural Gas Production from the Marcellus Shale [More info]: The Marcellus shale is a black shale unit in the eastern US. It has economic use as a source of natural gas. Environmental concerns arising from the process of exploiting this resource include water supply and wastewater disposal.
Water Resources of Beauregard Parish [More info]: In 2005, about 30.6 million gallons per day (Mgal/d) of water was withdrawn here, including about 30.4 Mgal/d from groundwater and 0.1 Mgal/d from surface water. Industrial use, primarily for wood products, accounted for about 72 percent (22 Mgal/d).
Water Resources of Caddo Parish, Louisiana [More info]: In 2005, about 72.9 million gallons per day (Mgal/d) of water were withdrawn here, including about 7.70 Mgal/d from groundwater sources and 65.2 Mgal/d from surface-water sources. Public-supply use accounted for about 71%, and power generation 19%.
Water Resources of Lafayette Parish [More info]: Summarizes information on the water resources of Lafayette Parish, Louisiana. Information on groundwater and surface-water availability, quality, development, use, and trends is based on previously published reports.
Water Use in Georgia by County for 2005; and Water-Use Trends, 1980-2005 [More info]: Estimated using data obtained from various Federal and State agencies and local sources. Total consumptive water use also was estimated for each county in Georgia for 2005.
Water Watch: current water resources conditions [More info]: U.S. map of real-time streamflow compared to historical values with links to U.S. maps and data of surface water, ground water, precipitation, river conditions and floods and other information on current and past water resources conditions.
Water co-produced with coalbed methane in the Powder River Basin, Wyoming: preliminary compositional data [More info]: Compositional data on water from 47 CBM wells sampled in the Powder River Basin, Wyoming. Data on major, minor, and trace elements are included.
Water data for Illinois [More info]: Links to streamflow, surface and ground water, water quality, flood, drought, and precipitation data in real-time and for historic time periods for Illinois.
Water resource investigations in Montana [More info]: Information on objectives, approach, status, and publications of various research projects investigating water resources in Montana including studies on wetlands, bridge scour, reconstructed wetlands, abandoned mine lands, and others.
Water resources [More info]: Hydrologic and water-quality information with access to water data, publications, and maps, as well as to recent water projects and events.
Water resources activities in Texas - cooperating agencies [More info]: List of federal, state, regional, city and county agencies that cooperate with the USGS in water resources studies in Texas. Most have links to the agency's own website.
Water resources applications software [More info]: Archive of USGS water resources software and associated data with documentation available to the public without any fee or cost.
Water resources data for Washington [More info]: Access to data on water resources of Washington including surface water, ground water, water quality, water use, GIS, and biological datasets and access to reports.
Water resources for Maryland, Delaware, and Washington, D.C. [More info]: USGS water resources home page with links to detailed hydrologic information for Maryland, Delaware, and District of Columbia on ground and surface water, water quality, real-time records, news releases, local weather, and reservoir levels.
Water resources for Maryland, Delaware, and Washington, D.C. - District projects [More info]: List of current water resources projects being conducted by the U.S. Geological Survey in Maryland, Delaware, and the District of Columbia with links to dedicated websites, contacts, and project descriptions.
Water resources for Mississippi - local projects [More info]: Local projects of the Mississippi District Office on water resources of Mississippi including studies relating to erosion, floods, water data collection, ground water flow, Geographic Information Systems (GIS) techniques, and others.
Water resources maps and geographic information systems (GIS) information [More info]: Portal for links to United State water resources maps and geographic information systems (GIS) data for the United States for viewing or downloading.
Water resources of Alabama [More info]: USGS water resources home page for Alabama with links to hydrologic studies and real-time and long-term data on streamflow, surface water, drought conditions, rain, and water quality.
Water resources of Alaska [More info]: USGS water resources home page for Alaska with links to detailed hydrologic studies and real-time and historic data on streamflow, ground and surface water, glaciers, and water quality plus research activities, publications, and contacts.
Water resources of Allen Parish [More info]: In 2005, about 29.2 million gallons per day (Mgal/d) of water were withdrawn here, including about 26.8 Mgal/d from groundwater sources and 2.45 Mgal/d from surface-water sources. Rice irrigation accounted for 74 percent (21.7 Mgal/d) of the total.
Water resources of Arizona [More info]: USGS water resources home page for Arizona with detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, and well levels plus current conditions, publications, and projects.
Water resources of Arkansas [More info]: USGS water resources home page for Arkansas with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, water use, and rain with links to publications and research partners
Water resources of Bossier Parish [More info]: In 2005, about 15.8 million gallons per day (Mgal/d) of water were withdrawn, including 4.12 Mgal/d from groundwater and about 11.7 Mgal/d from surface-water sources.Public supply use accounted for about 78 percent (12.4 Mgal/d) of the total water withdra
Water resources of California [More info]: USGS water resources home page for California with links to detailed hydrologic studies and real-time data on streamflow, ground and surface water, and water quality, plus links to online reports, current issues, data archives and image archive.
Water resources of Colorado [More info]: USGS water resources home page for Colorado with links to detailed hydrologic studies and real-time and long-term data on streamflow, snowpack, sediment, ground and surface water, and water quality, plus publications, news, and drought watch.
Water resources of Connecticut [More info]: USGS water resources home page for Connecticut with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, streamflow conditions, gage stations, and drought.
Water resources of Florida [More info]: USGS water resources home page for Florida with links to detailed hydrologic studies with real-time and long-term data on streamflow, ground and surface water, and water quality, plus publications and products, projects, news, and water watch.
Water resources of Georgia [More info]: USGS water resources home page for Georgia with links to detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, water quality, and floods, plus drought watch, current projects, and connections.
Water resources of Hawaii & the Pacific. [More info]: USGS water resources home page for Hawaii, Micronesia, and American Samoa with links to detailed hydrologic studies and real-time and long term data on streamflow, ground and surface water, water quality, rainfall, water use and current issues.
Water resources of Idaho [More info]: USGS water resources home page for Idaho with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, and water use, plus drought watch and relevant publications.
Water resources of Illinois [More info]: USGS water resources home page for Illinois with links to detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, droughts, flooding, and water quality with highlights and project information.
Water resources of Indiana [More info]: USGS water resources home page for Indiana with links to detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, drought, and water quality plus GPS ground station data and publications.
Water resources of Iowa [More info]: USGS water resources home page for Iowa with links to hydrologic studies and real-time and historical data on floods, streamflow, ground and surface water, sediment, precipitation, and water quality plus news releases, publications and contacts.
Water resources of Kansas [More info]: USGS water resources home page for Kansas with links to detailed hydrologic studies and real-time and historical data on streamflow, ground and surface water, and water quality plus flood watch, drought watch, publications, and district news.
Water resources of Kansas - governmental cooperators of the USGS [More info]: List of local, state, and federal governmental agencies cooperating with the USGS in joint-funding arrangements to accomplish mutual goals in water resources studies in Kansas.
Water resources of Kentucky [More info]: USGS water resources home page for Kentucky with links to detailed hydrologic studies, real-time and historical data on streamflow, ground and surface water, flow duration, and water quality plus program highlights, contacts, and news.
Water resources of Louisiana [More info]: USGS water resources home page for Louisiana with detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, water quality, and water supply with publications, contacts, and current conditions.
Water resources of Louisiana - main bibliography [More info]: Bibliography of linked and cross-referenced publications and products on Louisiana water resources searchable by geographic region, subject, parish, and author.
Water resources of Maine [More info]: USGS water home page for Maine with detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, snow, and water quality plus drought watch, press releases, projects, and contacts.
Water resources of Maine - Projects [More info]: Summary of USGS programs in Maine relating to data collection and hydrologic studies of streamflow, ground water, coastal areas, and ecosystems.
Water resources of Massachusetts and Rhode Island [More info]: USGS water resource home page for Massachusetts and Rhode Island with detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, basins, floods, droughts, and water quality, plus district news.
Water resources of Michigan [More info]: USGS water resources home page for Michigan with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, weather, water management, droughts, floods, and water quality.
Water resources of Michigan - programs and projects [More info]: Brief descriptions of categories of USGS research programs and projects on water resources in Michigan with links to more detailed information on projects.
Water resources of Michigan - protection of drinking water sources [More info]: Links to descriptions, publications, and photos of research projects in Michigan related to drinking water including source assessment, ground water availability, water resources, and contaminants in water.
Water resources of Michigan - restoring natural flow regimes [More info]: Links to descriptions, maps, photos, and reports of projects related to studies of the effects of dams and flow regulation in watersheds altered by humans in the state of Michigan including Muskegon and Kalamazoo Rivers and the Seney refuge.
Water resources of Michigan - water availability [More info]: Links to project descriptions and publications for research studies of water availability in Michigan.
Water resources of Minnesota [More info]: USGS water resource home page for Minnesota with links to detailed hydrologic studies and historic and real-time data for streamflow, ground and surface water, floods, and water quality plus district information.
Water resources of Mississippi [More info]: USGS water resources home page for Mississippi with links to detailed hydrologic studies and real-time and long-term data for streamflow, ground and surface water, precipitation, local weather, and flooding plus current events, projects and reports.
Water resources of Missouri [More info]: Water District homepage with links to detailed real-time and long-term water resources data for Missouri on streamflow, ground and surface water, and water quality.
Water resources of Missouri - Missouri District cooperating agencies [More info]: Links to the web pages of federal, state, regional and local agencies and university cooperating with the USGS in the collection of water-resources data and the conduct of interpretive hydrologic investigations in Missouri.
Water resources of Missouri - hydrologic studies and research [More info]: Links to USGS research project summaries and publications on water resources in Missouri.
Water resources of Montana [More info]: USGS water resources home page for Montana with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, floods, and water quality plus publications and district information.
Water resources of Montana - our cooperators [More info]: List of federal, state, tribal, and local agencies cooperating with the USGS on water resources studies of Montana.
Water resources of Nebraska [More info]: USGS water resources home page for Nebraska with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, and water quality plus publications and related natural resources information.
Water resources of Nevada [More info]: USGS water resources home page for Nevada with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, droughts, and water quality plus district and publications information.
Water resources of New Hampshire and Vermont [More info]: USGS water resources home page for New Hampshire and Vermont with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, water use, and water quality plus publications and district information.
Water resources of New Jersey [More info]: USGS water resources home page for New Jersey with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, droughts, weather, and water quality plus district information.
Water resources of New Mexico [More info]: USGS water resources home page for New Mexico with links to hydrologic studies and real-time and long-term data on streamflow, ground and surface water, and water quality plus map of basins.
Water resources of New York [More info]: USGS water resources home page for New York with links to current news and features, real-time and long-term data on acid rain, suspended sediment, ground and surface water, streamflow and water quality.
Water resources of North Carolina [More info]: USGS water resources home page for North Carolina with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, floods, droughts, precipitation, and water quality plus district information.
Water resources of North Carolina - current district projects [More info]: Links to description, publications, data, and maps for research projects on North Carolina water resources.
Water resources of North Dakota [More info]: USGS water resources home page for North Dakota with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, droughts, and water quality plus district and publications information.
Water resources of North Dakota - publications [More info]: Searchable database for publications on water resources of North Dakota.
Water resources of Ohio [More info]: USGS water resources home page for Ohio with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, weather, water use, and water quality, plus district and publications information.
Water resources of Oklahoma [More info]: USGS water resources home page for Oklahoma with links to hydrologic studies and long-term and real-time data on streamflow, ground and surface water, climatology, droughts, and water quality plus district and publications information.
Water resources of Oklahoma list of publications [More info]: List of publications related to Oklahoma water resources. Some on-line publication files are in PDF format.
Water resources of Oregon [More info]: USGS water resources home page for Oregon with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, geographic information, and water quality plus district and publications information
Water resources of Pennsylvania [More info]: USGS water resources home page for Pennsylvania with links to hydrologic studies and historic and real-time data on streamflow, ground and surface water, map/GIS information, and water quality plus district and publications information
Water resources of South Carolina [More info]: USGS water resources home page for South Carolina with links to detailed hydrologic studies and real-time data on streamflow, ground and surface water, GIS information, acid rain, and water quality plus district and publications information.
Water resources of South Dakota [More info]: USGS water resources home page for South Dakota with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, and water quality plus district and publications information.
Water resources of Tennessee [More info]: USGS water resources home page for Tennessee with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, and water quality plus district and publications information.
Water resources of Texas - USGS activities in Texas [More info]: USGS water resources home page for Texas with links to historic and real-time data on streamflow, ground and surface water, floods, droughts, coastal storm surge, lakes and reservoirs, and water quality plus district and publications information.
Water resources of Utah [More info]: USGS water resources home page for Utah with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, and water quality plus district and publications information.
Water resources of Vernon Parish [More info]: In 2005, about 6.67 million gallons per day (Mgal/d) of water were withdrawn here, including about 6.46 Mgal/d from groundwater sources and 0.21 Mgal/d from surface-water sources. Public-supply use accounted for about 76 percent (5.06 Mgal/d) of the total
Water resources of Virginia [More info]: USGS water resources home page for Virginia with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, flooding, and water quality plus district and publications information.
Water resources of Virginia - river input monitoring [More info]: Description of river input monitoring project's collecting and analyzing water-quality data to calculate and explain load and trend estimates of selected nutrients and suspended solids for five major river basins in the Chesapeake Bay watershed.
Water resources of Washington State [More info]: USGS water resources home page for Washington State with links to detailed hydrologic studies and real-time data on streamflow, ground and surface water, water use, and water quality, plus GIS data, district and publications information.
Water resources of Washington State - projects/studies [More info]: List of links to USGS research and studies on the water resources of Washington, which can be searched by subject, basin and county.
Water resources of Webster Parish [More info]: In 2005, about 9.52 million gallons per day (Mgal/d) of water were withdrawn, including about 9.33 Mgal/d from groundwater and 0.19 Mgal/d from surface-water. Public supply use accounted for 70% of the total.
Water resources of West Virginia [More info]: USGS water resources home page for West Virginia with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, water use, and water quality, plus district information and press releases.
Water resources of Wisconsin [More info]: USGS water resources home page for Wisconsin with links to detailed hydrologic studies and historic and real-time data on streamflow, ground and surface water, water use, and water quality, plus district and publications information.
Water resources of Wyoming [More info]: USGS water resources home page for Wyoming with links to detailed hydrologic studies and long-term and real-time data on streamflow, ground and surface water, droughts, and water quality plus district and publications information.
Water resources of the Caribbean [More info]: USGS home page for the Caribbean, U.S. Virgin Islands, and Puerto Rico with links to projects, GIS data, publications, and real-time data for streamflow and rainfall of Puerto Rico, U.S. Virgin Islands, El Salvador, Guatemala, and Honduras.
Water resources of the United States [More info]: Primary homepage for USGS programs in water resources with links to water data, publications and products, technical resources, major programs, and water information services.
Water resources of the United States - current policy memorandums [More info]: Technical water resources memoranda arranged by general subject (ground water, surface water, policy and safety, and publishing) or by organizational unit (National Water Quality Lab, Branch of Quality Systems, and Branch of Systems Analysis).
Water resources programs [More info]: Brief descriptions and links to major USGS programs at the state, regional, national, and international level for providing hydrologic information and for appraising the quantity, quality and location of the Nation's water resources.
Water resources real-time data for the Nation [More info]: Access to national water resources real-time data typically recorded at 15-60 minute intervals, stored onsite, and then transmitted to USGS offices every 4 hours. Select for site information, ground water, surface water, and water quality.
Water science for schools [More info]: Homepage of an educational site for elementary school students with links to water subjects including water basics, water questions and answers, water use, picture gallery, glossary, NavGuide, and certificate of completion.
Water science for schools: Earth's water [More info]: Educational site for elementary school students that tells the story of where, how much, and in what forms water exists on Earth.
Water science for schools: Earth's water - runoff [More info]: Site for elementary school students on runoff with links to information on rivers and watersheds, plus random link and glossary.
Water science for schools: Earth's water - surface water [More info]: Educational site for elementary school students with information on surface water (rivers, streams, lakes, floods).

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