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Page 2539, results 63451 - 63475

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Surface-Water and Ground-Water Resources of Kendall County, Illinois
Robert T. Kay, P.C. Mills, Jennifer L. Hogan, Terri Arnold
2005, Scientific Investigations Report 2005-5122
Water-supply needs in Kendall County, in northern Illinois, are met exclusively from ground water derived from glacial drift aquifers and bedrock aquifers open to Silurian, Ordovician, and Cambrian System units. As a result of population growth in Kendall County and the surrounding area, water use has increased from about 1.2...
Water-quality trend analysis and sampling design for streams in the Red River of the North Basin, Minnesota, North Dakota, and South Dakota, 1970-2001
Aldo V. Vecchia
2005, Scientific Investigations Report 2005-5224
The Bureau of Reclamation is considering several alternatives to meet the future municipal, rural, and industrial water-supply needs in the Red River of the North (Red River) Basin, and an environmental impact statement is being prepared to evaluate the potential effects of the various alternatives on the water quality and...
South San Francisco Bay tidal marsh vegetation and elevation surveys-Corkscrew Marsh, Bird Island, and Palo Alto Baylands, California, 1983
James L. Orlando, Judy Z. Drexler, Kent G. Dedrick
2005, Data Series 134
Changes in the topography and ecology of the San Francisco Bay Estuary ('Estuary') during the past 200 years have resulted in the loss of nearly 80 percent of the historical salt marsh in the region. Currently, numerous projects are being undertaken by federal, state, and local governments in an attempt...
Quantification of fish habitat in selected reaches of the Marmaton and Marais des Cygnes Rivers, Missouri
David C. Heimann, Joseph M. Richards, Shannon K. Brewer, Richard D. Norman
2005, Scientific Investigations Report 2005-5180
The U.S. Geological Survey, in cooperation with the Missouri Department of Conservation, undertook a study to quantify fish habitat by using relations between streamflow and the spatial and temporal distributions of fish habitat at five sites in the Marmaton and Marais des Cygnes Rivers in western Missouri. Twenty-six fish habitat...
Characterization of dissolved and particulate natural organic matter (NOM) in Neversink Reservoir, New York
Robert L. Wershaw, Jerry A. Leenheer, Larry G. Cox
2005, Scientific Investigations Report 2005-5108
Natural organic matter (NOM) was isolated from the water of the Neversink Reservoir, part of the New York City water supply, located in the Catskill Mountains of New York. The NOM was fractionated into the following nine different fractions by the isolation procedure: (1) coarse particulates, (2) fine-particulate organics, (3)...
Hydrologic response in karstic-ridge wetlands to rainfall and evapotranspiration, central Florida, 2001-2003
Leel Knowles Jr., G. G. Phelps, Sandra L. Kinnaman, Edward R. German
2005, Scientific Investigations Report 2005-5178
Two internally drained karstic wetlands in central Florida-Boggy Marsh at the Hilochee Wildlife Management Area and a large unnamed wetland at the Lyonia Preserve-were studied during 2001-03 to gain a better understanding of the net-recharge function that these wetlands provide, the significance of exchanges with ground water with regard to...
40Ar/39Ar geochronology of hypabyssal igneous rocks in the Maranon Basin of Peru - A record of thermal history, structure, and alteration
L.M. Prueher, R. Erlich, L.W. Snee
2005, Scientific Investigations Report 2005-5132
Hypabyssal andesites and dacites from the Balsapuerto Dome in the Mara?on Basin of Peru record the thermal, tectonic, and alteration history of the area. The Mara?on Basin is one of 19 sub-Andean foreland basins. The hypabyssal rocks in the Balsapuerto Dome are one of four known occurrences of subvolcanic rocks...
Bathymetric map of the south part of Great Salt Lake, Utah, 2005
Robert L. Baskin, David V. Allen
2005, Scientific Investigations Map 2894
The U.S. Geological Survey, in cooperation with the Utah Department of Natural Resources, Division of Wildlife Resources, collected bathymetric data for the south part of Great Salt Lake during 2002–04 using a single beam, high-definition fathometer and real-time differential global positioning system. Approximately 7.6 million depth readings were collected along...
Occurrence and distribution of pesticide compounds in surface water of the Santa Ana basin, California, 1998-2001
Robert Kent, Kenneth Belitz, Andrea J. Altmann, Michael T. Wright, Gregory O. Mendez
2005, Scientific Investigations Report 2005-5203
A study of the occurrence and distribution of pesticide compounds in surface water of the highly urbanized Santa Ana Basin, California, was done as part of the U.S. Geological Survey's National Water-Quality Assessment Program (NAWQA). One-hundred and forty-eight samples were collected from 23 sites, and analyzed for pesticide compounds...
Assessment of a model of forest dynamics under contrasting climate and disturbance regimes in the Pacific Northwest [FORCLIM]
Richard T. Busing, Allen M. Solomon
2005, Scientific Investigations Report 2005-5242
An individual-based model of forest dynamics (FORCLIM) was tested for its ability to simulate forest composition and structure in the Pacific Northwest region of North America. Simulation results across gradients of climate and disturbance were compared to forest survey data from several vegetation zones in western Oregon. Modelled patterns of...
Calculation of area and volume for the south part of Great Salt Lake, Utah
Robert L. Baskin
2005, Open-File Report 2005-1327
The U.S. Geological Survey, in cooperation with the Utah Department of Natural Resources, Division of Wildlife Resources, collected bathymetric data for the south part of Great Salt Lake during 2002-04 using a single-beam, high-definition fathometer and real-time differential global positioning system. About 7.6 million depth measurements were collected along more...