A.C. Ziegler, H.C. Ross, T. J. Trombley, V.G. Christensen
2001, Fact Sheet 096-01
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Page 102, results 2526 - 2550
Publication Extents
Not all publications have extents, not all extents are completely accurateWater Resources Division, U.S. Geological Survey
2001, Fact Sheet 077-01
Nyle Pennington, P.A. Adams, C.W. Moses, H.E. Bevans, Jon Carpenter, Schott Cichowlaz
2001, Fact Sheet 094-01
Thomas S. Ahlbrandt, S.D. Weedman
2001, Fact Sheet 106-01
S.W. Phillips
2001, Fact Sheet 125-01
Water Resources Division, U.S. Geological Survey
2001, Fact Sheet 078-01
G. V. Steele, Ingrid M. Verstraeten, J. C. Cannia
2001, Fact Sheet 074-01
Roy L. Glass, Steven A. Frenzel
2001, Fact Sheet 083-01
C.S. Schenk
2001, Fact Sheet 039-01
O U.S. Geological Survey recentemente completou estimativas de possíveis recursos de petróleo e gás em 130 áreas petrolíferas pré-determinadas no mundo (USGS, 2000). Vinte e três destas áreas ficam na América do Sul, na América Central, e no Caribe (fig. 1). Os resultados estão apresentados na tabela 1. Nas 23...
Water Resources Division, U.S. Geological Survey
2001, Fact Sheet 086-01
The "National Atlas of the United States of America®", published by the U.S. Geological Survey (USGS) in 1970, is out of print, but many of its maps can be purchased separately. Maps that span facing pages in the atlas are printed on one sheet. Maps dated after 1970 and before...
M.E. Field, P.S. Chavez Jr., K.R. Evans, S.A. Cochran
2001, Fact Sheet 084-01
The U.S. Geological Survey (USGS) is working closely with academic institutions and state and Federal agencies to assess the factors that affect the health of Hawaii's and our Nation's coral reefs. In order to establish a basis from which scientists can objectively detect changes in reef health, the USGS and...
R. J. Hunt, J. J. Steuer
2001, Fact Sheet 102-01
Why are the effects of urbanization a concern? As the city of Middleton, Wisconsin, and its surroundings continue to develop, the Pheasant Branch watershed (fig.l) is expected to undergo urbanization. For the downstream city of Middleton, urbanization in the watershed can mean increased flood peaks, water volume and pollutant loads....
M.S. Ellis, T.J. Rohrbacher, M.D. Carter, C. L. Molnia, L. M. Osmonson, D.C. Scott
2001, Fact Sheet 109-01
The Economic and Environmental Evaluations of Extractable Coal Resources (E4CR) project integrates economic analyses of extractable coal resources with environmental and coal quality considerations in order to better understand the contribution that coal resources can make to help meet the Nation’s future energy needs. The project utilizes coal resource information...
Christopher J. Schenk, V. F. Nuccio, R. M. Flores, R. C. Johnson, S. B. Roberts, T. S. Collett
2001, Fact Sheet 110-01
The Rocky Mountain region contains several sedimentary provinces with extensive coal deposits and significant accumulations of coal-bed gas. This summary includes coal-bed gas resources in the Powder River Basin (Wyoming and Montana), Wind River Basin (Wyoming), Southwest Wyoming (Greater Green River Basin of Wyoming, Colorado, and Utah), Uinta-Piceance Basin (Colorado...
Marc Levine, Adam Schultz
2001, Fact Sheet 132-01
GEODE (Geo-Data Explorer) is a free service offered by the U.S. Geological Survey (USGS) on the Internet at http://geode.usgs.gov (fig. 1). It provides digital geographically referenced data to the desktop computers of any user, including policymakers, land and resource managers, educators, industries, and private citizens. The ultimate goal of GEODE...
Susan J. Tewalt, Linda J. Bragg, Robert B. Finkelman
2001, Fact Sheet 095-01
The U.S. Geological Survey (USGS) has compiled a nationwide coal information database over the last 25 years. A subset of the data, called COALQUAL, contains analyses of over 7,000 coal samples that have been collected or calculated to represent the entire thickness of a coal bed in the ground. The...
C.S. Schenk
2001, Fact Sheet 038-01
El Servicio Geológico de los Estados Unidos (USGS, por sus siglas en inglés) completó recientemente un estudio evaluativo de recursos potenciales de petróleo y gas en 130 provincias de petróleo seleccionadas en diferentes partes del mundo (USGS, 2000). De estas 130 provincias, 23 se encuentran en Suramérica, Centroamérica, y la...
Rick M. Clawges, Barbara L. Rowe, John S. Zogorski
2001, Fact Sheet 064-01
Methyl tert-butyl ether (MTBE) is a volatile organic compound (VOC) that is added to gasoline either seasonally or year round in many parts of the United States to increase the octane level and to reduce carbon monoxide and ozone levels in the air. The chemical properties and widespread use of...
Dorene E. MacCoy
2001, Fact Sheet 067-01
Several studies over the past 6 years have indicated that elevated concentrations of polychlorinated biphenyls (PCBs) in the Spokane River, Washington, are a potential hazard to human and aquatic health. To help address these concerns, fish were collected from the Spokane River in 1999 and analyzed for PCBs for a...
Paul W. McKee
2001, Fact Sheet 068-01
Many contaminants can be introduced into the environment by urban and industrial activities. The drainage area of Wright Patman Lake is influenced by these activities. Among the contaminants associated with urban and industrial activities are trace metals such as arsenic, lead, mercury, and zinc. These contaminants are relatively insoluble in...
Michael Majewski
2001, Fact Sheet 070-01
Sweetwater Authority is concerned with the quality of water it provides to its customers. Results from the water-quality monitoring study that the USGS is conducting in the Sweetwater watershed show that the contaminant concentrations in bed sediments, water, and air are reflected in increased urbanization. The bed sediments show the...
Gary L. Wilson
2001, Fact Sheet 092-01
The U.S. Geological Survey (USGS), in cooperation with the National Park Service (NPS), has been collecting streamflow information on the Current River and one of its tributaries, the Jacks Fork, for 78 years. Both rivers are located in south-central Missouri in an area with large springs, streams, caves, and rugged...
Barbara Mahler, Peter C. Van Metre
2001, Fact Sheet 072-01
Lake Meredith lies on the dry and windswept High Plains of the Texas Panhandle and is a popular recreation area for the region. Oil and gas exploration and extraction have been ongoing at Lake Meredith National Recreation Area since about 1930. More than 250 wells, including those abandoned or relocated,...
D.J. Ockerman
2001, Fact Sheet 081-01
The Texas Water Development Board (TWDB), Texas Parks and Wildlife Department (TPWD), and Texas Natural Resource Conservation Commission (TNRCC) are charged by the Texas Legislature with determining freshwater inflows required to maintain the ecological health of streams, bays, and estuaries in Texas. To determine required inflows, the three agencies collect...
S. W. Nicholson, D. B. Stoeser, S. D. Ludington, Frederic H. Wilson
2001, Fact Sheet 079-01
The U.S. Geological Survey, the Nation’s leader in producing and maintaining earth science data, serves as an advisor to Congress, the Department of the Interior, and many other Federal and State agencies. Nationwide datasets that are easily available and of high quality are critical for addressing a wide range of...