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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
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Report of the River Master of the Delaware River for the period December 1, 2007-November 30, 2008 Report of the River Master of the Delaware River for the period December 1, 2007-November 30, 2008
A Decree of the Supreme Court of the United States, entered June 7, 1954, established the position of Delaware River Master within the U.S. Geological Survey (USGS). In addition, the Decree authorizes diversions of water from the Delaware River Basin and requires compensating releases from certain reservoirs, owned by New York City, to be made under the supervision and direction of the...
Authors
Bruce E. Krejmas, Gary N. Paulachok, Stephen F. Blanchard
Report on workshop to incorporate basin response in the design of tall buildings in the Puget Sound region, Washington Report on workshop to incorporate basin response in the design of tall buildings in the Puget Sound region, Washington
On March 4, 2013, the City of Seattle and the U.S. Geological Survey (USGS) convened a workshop of 25 engineers and seismologists to provide recommendations to the City for the incorporation of amplification of earthquake ground shaking by the Seattle sedimentary basin in the design of tall buildings in Seattle. The workshop was initiated and organized by Susan Chang, a geotechnical...
Authors
Susan Chang, Arthur D. Frankel, Craig S. Weaver
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook salmon ESU, 1/1/2012 – 12/31/2013: Annual report, 1991-029-00 Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook salmon ESU, 1/1/2012 – 12/31/2013: Annual report, 1991-029-00
The portion of the Snake River fall Chinook Salmon Oncorhynchus tshawytscha ESU that spawns upstream of Lower Granite Dam transitioned from low to high abundance during 1992–2014 in association with U.S. Endangered Species Act recovery efforts and other Federally mandated actions. This annual report focuses on (1) numeric and habitat use responses by natural- and hatchery-origin spawners...
Authors
William P. Connor, Frank Mullins, Kenneth F. Tiffan, Russell W. Perry, John M. Erhardt, Scott J. St. John, Brad K. Bickford, Tobyn N. Rhodes
Resource manager information needs regarding hydrologic regime shifts for the North Pacific Landscape Conservation Resource manager information needs regarding hydrologic regime shifts for the North Pacific Landscape Conservation
Landscape Conservation Cooperatives (LCCs) are a network of 22 public-private partnerships, defined by ecoregion, that share and provide science to ensure the sustainability of land, water, wildlife, and cultural resources in North America. LCCs were established by the U.S. Department of the Interior (DOI) in recognition of the fact that response to climate change must be coordinated on...
Authors
Andrea Woodward, Karen Jenni
Response of Global Navigation Satellite System receivers to known shaking between 0.2 and 20 Hertz Response of Global Navigation Satellite System receivers to known shaking between 0.2 and 20 Hertz
Over the past decade, several technological advances have allowed Global Navigation Satellite Systems (GNSS) receivers to have the capability to record displacements at high frequencies, with sampling rates approaching 100 samples per second (sps). In addition, communication and computer hardware and software have allowed various institutions, including the U.S. Geological Survey (USGS)...
Authors
John O. Langbein, John R. Evans, Fredrick Blume, Ingrid Johanson
Restoration of Rio Grande cutthroat trout Oncorhynchus clarkii virginalis to the Mescalero Apache Reservation Restoration of Rio Grande cutthroat trout Oncorhynchus clarkii virginalis to the Mescalero Apache Reservation
Rio Grande Cutthroat trout Oncorhynchus clarkii virginalis (RGCT) represents the most southern subspecies of cutthroat trout, endemic to Rio Grande, Canadian, and Pecos basins of New Mexico and southern Colorado. The subspecies currently occupies less than 12% of its historic range. The Mescalero Apache Tribe has partnered with U.S. Geological Survey-New Mexico Cooperative Fish and...
Authors
Bradley W. Kalb, Colleen A. Caldwell
Results of coalbed-methane drilling, Meadowfill Landfill, Harrison County, West Virginia Results of coalbed-methane drilling, Meadowfill Landfill, Harrison County, West Virginia
The U.S. Environmental Protection Agency funded drilling of a borehole (39.33889°N., 80.26542°W.) to evaluate the potential of enhanced coalbed-methane production from unminable Pennsylvanian coal beds at the Meadowfill Landfill near Bridgeport, Harrison County, W. Va. The drilling commenced on June 17, 2004, and was completed on July 1, 2004. The total depth of the borehole was 1,081...
Authors
Leslie F. Ruppert, Michael H. Trippi, Nick Fedorko, William C. Grady, Cortland F. Eble, William A. Schuller
Results of coalbed-methane drilling, Mylan Park, Monongalia County, West Virginia Results of coalbed-methane drilling, Mylan Park, Monongalia County, West Virginia
The Department of Energy National Energy Technology Laboratory funded drilling of a borehole (39.64378°N., 80.04376°W.) to evaluate the potential for coalbed-methane and carbon-dioxide sequestration at Mylan Park, a public park in Monongalia County, W. Va. The total depth of the borehole was 2,525 feet (ft) and contained 1,483.41 ft of Pennsylvanian coal-bearing strata, 739.67 ft of...
Authors
Leslie F. Ruppert, Nick Fedorko, Peter D. Warwick, William C. Grady, James Q. Britton, William A. Schuller, Robert D. Crangle
Review and bibliometric analysis of published literature citing data produced by the Gap Analysis Program (GAP) Review and bibliometric analysis of published literature citing data produced by the Gap Analysis Program (GAP)
The Gap Analysis Program (GAP) of the U.S. Geological Survey (USGS) produces geospatial datasets providing information on land cover, predicted species distributions, stewardship (ownership and conservation status), and an analysis dataset which synthesizes the other three datasets. The intent in providing these datasets is to support the conservation of biodiversity. The datasets are...
Authors
Joan M. Ratz, Shannon J. Conk
Riparian restoration framework for the Upper Gila River, Arizona Riparian restoration framework for the Upper Gila River, Arizona
This technical report summarizes the methods and results of a comprehensive riparian restoration planning effort for the Gila Valley Restoration Planning Area, an approximately 53-mile portion of the upper Gila River in Arizona (Figure 1-1). This planning effort has developed a Restoration Framework intended to deliver science-based guidance on suitable riparian restoration actions...
Authors
Bruce K. Orr, Glen L. Leverich, Zooey E. Diggory, Tom L. Dudley, James R. Hatten, Kevin R. Hultine, Matthew P. Johnson, Devyn A. Orr
Rock-Eval pyrolysis and vitrinite reflectance results from the Sheep Creek 1 well, Susitna basin, south-central Alaska Rock-Eval pyrolysis and vitrinite reflectance results from the Sheep Creek 1 well, Susitna basin, south-central Alaska
We used Rock-Eval pyrolysis and vitrinite reflectance to examine the petroleum source potential of rock samples from the Sheep Creek 1 well in the Susitna basin of south-central Alaska. The results show that Miocene nonmarine coal, carbonaceous shale, and mudstone are potential sources of hydrocarbons and are thermally immature with respect to the oil window. In the samples that we...
Authors
Richard G. Stanley, Paul G. Lillis, Mark J. Pawlewicz, Peter J. Haeussler
SAFRR tsunami scenario: Impacts on California ecosystems, species, marine natural resources, and fisheries SAFRR tsunami scenario: Impacts on California ecosystems, species, marine natural resources, and fisheries
We evaluate the effects of the SAFRR Tsunami Scenario on California’s ecosystems, species, natural resources, and fisheries. We discuss mitigation and preparedness approaches that can be useful in Tsunami planning. The chapter provides an introduction to the role of ecosystems and natural resources in tsunami events (Section 1). A separate section focuses on specific impacts of the SAFRR...
Authors
Deborah Brosnan, Anne Wein, Rick Wilson