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Water resources
Stocks of water, the liquid derived from precipitation. A constituent of living matter and necessity for all life, it covers a large proportion of the earth's surface.
Subtopics:
Groundwater (200 items)
Surface water (non-marine) (182 items)

Water pollution (13 items)
Related topics:


Results 261 - 383 of 383 listed by similarity [list alphabetically]
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 reports [More info]
Links to Office of Surface Water reports on streamgaging, streamflow data and information, current meters, sediment, modeling, journal articles, and techniques.
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.
PDF 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.
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.
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 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 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).
Water science for schools: follow a drip through the water cycle [More info]
Site for elementary school students on the water cycle with a link to a version geared for second grade students and a random link.
Water science for schools: land subsidence [More info]
Site for elementary school studies on land subsidence with links to land subsidence in California, wells, ground water quality, sinkholes, glossary, and a random link.
Water science for schools: the activity center - challenge questions [More info]
Educational site for elementary school students with questions to challenge students plus links to opinion surveys, questionnaires, and water facts.
Water science for schools: the Earth's water - ground water [More info]
Educational site for elementary schools students on ground water sources, ground water flow, and aquifers.
Water science for schools: water questions and answers [More info]
Educational site on water for elementary school students with questions and answers that are meant to be useful and entertaining.
Water science for schools: where is Earth's water located? [More info]
Educational site for elementary school students on the distribution of water, water supply and water use.
PDF Water security-National and global issues [More info]
Outlines the factors that affect freshwater supply and quality, emphasizing the social and geopolitical aspects of policy decisions.
Water site information for the Nation [More info]
The Site Inventory System provides inventory of and access to data for sites at stream reaches, wells, test holes, springs, tunnels and other hydrologic locations where hydrologic data is collected by the USGS. Data can be viewed or downloaded.
PDF 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 use trends in Washington, 1985-2005 [More info]
Summary of water use by major category through the last few decades in the state.
Water-related scientific programs in Hawaii and Pacific islands [More info]
Overview of water-related scientific programs in Hawaii and Pacific islands (Northern Marianas, Guam, Palau, and American Samoa). Links to programs on hydrologic data collection, ground water availability, and surface runoff.
Watershed and River Systems Management Program-WARSMP: application to the Yakima River Basin, Washington [More info]
Description of Yakima River Basin Program including: location of basin, description of economic activities, water management issues and modeling processes used to account for water availability.
Watershed modeling [More info]
Description of the development and use of models to study watersheds supporting a broad range of applications and user skills. Includes links to related memos, training, software, projects, and references
PDF WaterSMART-The Colorado River Basin focus-area study [More info]
Explains the strategy that USGS will use to estimate the distribution and abundance of freshwater resources, evaluate factors affecting availability, estimate undeveloped potential resources, and forecasting likely changes due to other factors.
PDF Wyoming groundwater-quality monitoring network [More info]
Shows high-priority areas where groundwater will be monitored, outlines the methods of collection and analysis that will be used.
PDF 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.
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?
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.
PDF 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.
PDF 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.
PDF 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
PDF 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.
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.
PDF 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.
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
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.
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.
PDF 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.
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.
PDF 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
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.
PDF 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 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.
PDF Hydrology, phenology and the USA National Phenology Network [More info]
Explains how hydrologic factors interact with phenology
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.
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.
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.
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.
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.
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.
PDF 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.
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.
PDF 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 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.
PDF 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.
New Jersey drought watch [More info]
Update on daily streamflow conditions and drought situation in New Jersey.
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.
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.
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.
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.
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.
Recent news releases from the Wyoming District [More info]
News releases from Wyoming District on Wyoming water conditions.
PDF Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [More info]
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.
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.
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.
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.
PDF 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.
PDF 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?
PDF 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.
PDF 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 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.
PDF 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 rivers of Mississippi [More info]
Colored maps and geographic descriptions of major river basins in the state of Mississippi.
PDF 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.
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.
PDF 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.
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 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 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.
Yakima River Basin [More info]
Description of the studies of the ground water system in the Yakima River Basin and how it interacts with rivers and streams in the basin. Includes links to project status, datasets, maps, project summaries, news releases and bibliographies.
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