Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

3813 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 22, results 526 - 550

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Assessment of undiscovered continuous gas resources in Upper Devonian Shales of the Appalachian Basin Province, 2017
Catherine B. Enomoto, Michael H. Trippi, Debra K. Higley, William A. Rouse, Frank T. Dulong, Timothy R. Klett, Tracey J. Mercier, Michael E. Brownfield, Heidi M. Leathers-Miller, Thomas M. Finn, Kristen R. Marra, Phuong A. Le, Cheryl A. Woodall, Christopher J. Schenk
2018, Fact Sheet 2018-3018
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable continuous resources of 10.7 trillion cubic feet of natural gas in Upper Devonian shales of the Appalachian Basin Province....
Coastal estuaries and lagoons: The delicate balance at the edge of the sea
Paul A. Conrads, Kirk D. Rodgers, Davina Passeri, Scott T. Prinos, Christopher Smith, Christopher M. Swarzenski, Beth A. Middleton
2018, Fact Sheet 2018-3022
Coastal communities are increasingly concerned about the dynamic balance between freshwater and saltwater because of its implications for societal, economic, and ecological resources. While the mixing of freshwater and saltwater sources defines coastal estuaries and lagoons, sudden changes in this balance can have a large effect on critical ecosystems and...
The HayWired earthquake scenario—We can outsmart disaster
Kenneth W. Hudnut, Anne M. Wein, Dale A. Cox, Keith A. Porter, Laurie A. Johnson, Suzanne C. Perry, Jennifer L. Bruce, Drew LaPointe
2018, Fact Sheet 2018-3016
The HayWired earthquake scenario, led by the U.S. Geological Survey (USGS), anticipates the impacts of a hypothetical magnitude-7.0 earthquake on the Hayward Fault. The fault is along the east side of California’s San Francisco Bay and is among the most active and dangerous in the United States, because it runs...
Science partnership between U.S. Geological Survey and the Lower Elwha Klallam Tribe—Understanding the Elwha River Dam Removal Project
Jeffrey J. Duda, Matt M. Beirne, Jonathan A. Warrick, Christopher S. Magirl
2018, Fact Sheet 2018-3025
After nearly a century of producing power, two large hydroelectric dams on the Elwha River in Washington State were removed during 2011 to 2014 to restore the river ecosystem and recover imperiled salmon populations. Roughly two-thirds of the 21 million cubic meters of sediment—enough to fill nearly 2 million dump...
The Midwest Stream Quality Assessment—Influences of human activities on streams
Peter C. Van Metre, Barbara Mahler, Daren M. Carlisle, James F. Coles
2018, Fact Sheet 2017-3087
Healthy streams and the fish and other organisms that live in them contribute to our quality of life. Extensive modification of the landscape in the Midwestern United States, however, has profoundly affected the condition of streams. Row crops and pavement have replaced grasslands and woodlands, streams have been straightened, and...
Assessment of continuous gas resources in the Phosphoria Formation of the Wyoming Thrust Belt Province, Wyoming, Idaho, and Utah, 2017
Christopher J. Schenk, Tracey J. Mercier, Marilyn E. Tennyson, Cheryl A. Woodall, Thomas M. Finn, Janet K. Pitman, Stephanie B. Gaswirth, Kristen R. Marra, Phuong A. Le, Timothy R. Klett, Heidi M. Leathers-Miller
2018, Fact Sheet 2018-3001
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable resources of 198 billion cubic feet of continuous gas in the Phosphoria Formation of the Wyoming Thrust Belt Province, Wyoming, Idaho, and Utah....
Biological and ecological science for Michigan—The Great Lakes State
Water Resources Division, U.S. Geological Survey
2018, Fact Sheet 2018-3012
Michigan is rich in lakes, rivers, dune and rocky shorelines, forests, fish and wildlife, and has the longest freshwater coastline in the United States, 3,224 miles. Many enterprises critical to Michigan’s economy and cultural heritage are based on natural resources including commercial and sport fishing, hunting, and other outdoor recreation....
Hot water in the Long Valley Caldera—The benefits and hazards of this large natural resource
William C. Evans, Shaul Hurwitz, Deborah Bergfeld, James F. Howle
2018, Fact Sheet 2018-3009
The volcanic processes that have shaped the Long Valley Caldera in eastern California have also created an abundant supply of natural hot water. This natural resource provides benefits to many users, including power generation at the Casa Diablo Geothermal Plant, warm water for a state fish hatchery, and beautiful scenic...
A brief geological history of Cockspur Island at Fort Pulaski National Monument, Chatham County, Georgia
Christopher S. Swezey, Ellen Seefelt, Mercer Parker
2018, Fact Sheet 2018-3011
Fort Pulaski National Monument is located on Cockspur Island in Chatham County, Georgia, within the Atlantic Coastal Plain province. The island lies near the mouth of the Savannah River, and consists of small mounds (hummocks), salt marshes, and sediment dredged from the river. A 1,017-foot (ft) (310-meter [m])-deep core drilled...
Landscapes from the waves—Marine terraces of California
Marjorie S. Schulz, Corey Lawrence, Daniel R. Muhs, Carol S. Prentice, Sam Flanagan
2018, Fact Sheet 2018-3002
Many coastlines around the world have stair-step landforms, known as marine terraces. Marine terraces make up a large part of coastal California’s landscape—from San Diego to Crescent City. Find out how these landscapes form, why marine terraces are of interest to scientists, and where you can explore these landscapes....
Continuous water-quality and suspended-sediment transport monitoring in the San Francisco Bay, California, water years 2014–15
Paul A. Buchanan, Maureen A. Downing-Kunz, David H. Schoellhamer, Daniel N. Livsey
2018, Fact Sheet 2018-3013
The U.S. Geological Survey (USGS) monitors water quality and suspended-sediment transport in the San Francisco Bay (bay) as part of a multi-agency effort to address management, water supply, and ecological concerns. The San Francisco Bay area is home to millions of people, and the bay teems both with resident and...
Biological and ecological science for Wisconsin—A Great Lakes and Rivers State
U.S. Geological Survey
2018, Fact Sheet 2018-3004
Wisconsin and natural resources go hand-in-hand. Tourism, which generates $19 billion annually and sustains about 200,000 jobs, depends on an abundance of lakes, rivers, shorelines, and woodlands for fishing, hunting, boating, and other outdoor recreation. Rivers and floodplains in the Upper Mississippi Basin, including the Mississippi River, are part...
Rare earth element and rare metal inventory of central Asia
Mark J. Mihalasky, Robert D. Tucker, Karine Renaud, Ingrid M. Verstraeten
2018, Fact Sheet 2017-3089
Rare earth elements (REE), with their unique physical and chemical properties, are an essential part of modern living. REE have enabled development and manufacture of high-performance materials, processes, and electronic technologies commonly used today in computing and communications, clean energy and transportation, medical treatment and health care, glass and ceramics,...
Information to prevent human exposure to disease agents associated with wildlife—U.S. Geological Survey circulars on zoonotic disease
Carol U. Meteyer, Gail Moede Rogall
2018, Fact Sheet 2017-3077
The U.S. Geological Survey in collaboration with the U.S. Fish and Wildlife Service and others have published reports with information about geographic distribution, specific pathogens, disease ecology, and strategies to avoid exposure and infection for a selection of zoonotic diseases. Zoonotic diseases are diseases that can be passed from animals...
Assessment of undiscovered continuous oil and gas resources in the Domanik-type formations of the Volga-Ural Region Province, Russia, 2017
Timothy R. Klett, Michael E. Brownfield, Thomas M. Finn, Stephanie B. Gaswirth, Phuong A. Le, Heidi M. Leathers-Miller, Kristen R. Marra, Tracey J. Mercier, Janet K. Pitman, Christopher J. Schenk, Marilyn E. Tennyson, Cheryl A. Woodall
2018, Fact Sheet 2017-3085
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable continuous resources of 2.8 billion barrels of oil and 34 trillion cubic feet of gas in the Domanik-type formations of the Volga-Ural Region Province, Russia....
U.S. Geological Survey - Virginia Department of Transportation: Bridge scour pilot study
Samuel H. Austin
2018, Fact Sheet 2018-3006
BackgroundCost effective and safe highway bridge designs are required to ensure the long-term sustainability of Virginia’s road systems. The streamflows that, over time, scour streambed sediments from bridge piers inherently affect bridge safety and design costs. To ensure safety, bridge design must anticipate streambed scour at bridge piers over the...
Groundwater quality in the North San Francisco Bay shallow aquifer, California
George L. V Bennett V, Miranda S. Fram
2018, Fact Sheet 2018-3007
Groundwater provides more than 40 percent of California’s drinking water. To protect this vital resource, the State of California created the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The Priority Basin Project of the GAMA Program provides a comprehensive assessment of the State’s groundwater quality and increases public access to...
Assessment of undiscovered conventional oil and gas resources in the Wyoming Thrust Belt Province, Wyoming, Idaho, and Utah, 2017
Christopher J. Schenk, Tracey J. Mercier, Marilyn E. Tennyson, Cheryl A. Woodall, Michael E. Brownfield, Phuong A. Le, Timothy R. Klett, Stephanie B. Gaswirth, Thomas M. Finn, Kristen R. Marra, Heidi M. Leathers-Miller
2018, Fact Sheet 2017-3091
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable resources of 26 million barrels of oil and 700 billion cubic feet of gas in the Wyoming Thrust Belt Province, Wyoming, Idaho, and Utah....
Characterizing the subsurface geology in and around the U.S. Army Camp Stanley Storage Activity, south-central Texas
Charles D. Blome, Allan K. Clark
2018, Fact Sheet 2017-3090
Several U.S. Geological Survey projects, supported by the National Cooperative Geologic Mapping Program, have used multi-disciplinary approaches over a 14-year period to reveal the surface and subsurface geologic frameworks of the Edwards and Trinity aquifers of central Texas and the Arbuckle-Simpson aquifer of south-central Oklahoma. Some of the project achievements...
Assessment of undiscovered continuous oil and gas resources in the Hanoi Trough, Vietnam, 2017
Christopher J. Schenk, Marilyn E. Tennyson, Tracey J. Mercier, Cheryl A. Woodall, Phuong A. Le, Timothy R. Klett, Thomas M. Finn, Heidi M. Leathers-Miller, Stephanie B. Gaswirth, Kristen R. Marra
2018, Fact Sheet 2017-3086
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable continuous resources of 52 million barrels of oil and 591 billion cubic feet of gas in the Hanoi Trough of Vietnam....
Assessment of undiscovered oil and gas resources in the North-Central Montana Province, 2017
Christopher J. Schenk, Tracey J. Mercier, Michael E. Brownfield, Marilyn E. Tennyson, Cheryl A. Woodall, Phuong A. Le, Timothy R. Klett, Stephanie B. Gaswirth, Thomas M. Finn, Janet K. Pitman, Kristen R. Marra, Heidi M. Leathers-Miller
2018, Fact Sheet 2017-3092
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable resources of 55 million barrels of oil and 846 billion cubic feet of gas in the North-Central Montana Province....
Assessment of undiscovered continuous oil and gas resources in the Bohaiwan Basin Province, China, 2017
Christopher J. Schenk, Marilyn E. Tennyson, Tracey J. Mercier, Cheryl A. Woodall, Thomas M. Finn, Michael E. Brownfield, Phuong A. Le, Timothy R. Klett, Stephanie B. Gaswirth, Kristen R. Marra, Heidi M. Leathers-Miller, Christopher J. Potter
2018, Fact Sheet 2017-3082
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable continuous resources of 2.0 billion barrels of oil and 20.3 trillion cubic feet of gas in the Bohaiwan Basin Province, China....
Missouri StreamStats—A water-resources web application
Jarrett T. Ellis
2018, Fact Sheet 2018-3003
The U.S. Geological Survey (USGS) maintains and operates more than 8,200 continuous streamgages nationwide. Types of data that may be collected, computed, and stored for streamgages include streamgage height (water-surface elevation), streamflow, and water quality. The streamflow data allow scientists and engineers to calculate streamflow statistics, such as the 1-percent annual exceedance...
The 3D Elevation Program—Flood risk management
Carswell Jr., Vicki Lukas
2018, Fact Sheet 2017-3081
Flood-damage reduction in the United States has been a longstanding but elusive societal goal. The national strategy for reducing flood damage has shifted over recent decades from a focus on construction of flood-control dams and levee systems to a three-pronged strategy to (1) improve the design and operation of such...
Gas hydrate in nature
Carolyn D. Ruppel
2018, Fact Sheet 2017-3080
Gas hydrate is a naturally occurring, ice-like substance that forms when water and gas combine under high pressure and at moderate temperatures. Methane is the most common gas present in gas hydrate, although other gases may also be included in hydrate structures, particularly in areas close to conventional oil and...