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Page 1311, results 32751 - 32775

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Not all publications have extents, not all extents are completely accurate
Automated feature extraction and classification from image sources
Water Resources Division, U.S. Geological Survey
1995, Fact Sheet 144-95
The U.S. Department of the Interior, U.S. Geological Survey (USGS), and Unisys Corporation have completed a cooperative research and development agreement (CRADA) to explore automated feature extraction and classification from image sources. The CRADA helped the USGS define the spectral and spatial resolution characteristics of airborne and satellite imaging sensors...
Waste burial in arid environments - Application of Information from a field laboratory in the Mojave Desert, Southern Nevada
Brian J. Andraski, David E. Prudic, William D. Nichols
1995, Fact Sheet 179-95
Because of the potentially harmful effect of improper waste disposal on water resources in the arid West, comprehensive laboratory and field studies are critical to identifying likely contaminant-release pathways and the potential for waste migration at arid sites. However, the quandary for those charged with assessment of the suitability of...
Water-quality characteristics of five tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1988 through June 1993
Donna L. Belval, Jean P. Campbell, Scott W. Phillips, Clifton F. Bell
1995, Water-Resources Investigations Report 95-4258
Development in the Chesapeake Bay region has adversely affected the water quality of the Bay. The general degradation in the Bay has resulted in the decline of commercial fishing industries and has reduced the area of aquatic vegetation that provides food and habitat for fish and shellfish. In order to...
Geohydrology of the Gallup's Quarry area, Plainfield, Connecticut
Robert L. Melvin, Janet Radway Stone, Patrick A. Craft, John W. Lane Jr.
1995, Water-Resources Investigations Report 93-4138
The geohydrology of the Gallup's Quarry area in Plainfield, Connecticut was characterized by the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, to provide a preliminary framework for future remedial efforts. Gallup's Quarry, an inactive sand and gravel pit, was the site of unregulated disposal of an...
Documented and potential extreme peak discharges and relation between potential extreme peak discharges and probable maximum flood peak discharges in Texas
William H. Asquith, Raymond M. Slade Jr.
1995, Water-Resources Investigations Report 95-4249
The U.S. Geological Survey, in cooperation with the Texas Department of Transportation, conducted a study of extreme flood potential for Texas. Potential extreme peak discharges, derived from the relation between documented extreme peak discharges and their contributing drainage areas, can provide valuable information concerning the maximum expected peak discharge that...
Contamination of wells completed in the Roubidoux aquifer by abandoned zinc and lead mines, Ottawa County, Oklahoma
Scott C. Christenson
1995, Water-Resources Investigations Report 95-4150
The Roubidoux aquifer in Ottawa County Oklahoma is used extensively as a source of water for public supplies, commerce, industry, and rural water districts. Water in the Roubidoux aquifer in eastern Ottawa County has relatively low dissolved-solids concentrations (less than 200 mg/L) with calcium, magnesium, and bicarbonate as the major...
Water resources of the Bad River Indian Reservation, northern Wisconsin
W. G. Batten, R.A. Lidwin
1995, Water-Resources Investigations Report 95-4207
Water-resources data were collected in the Bad River Indian Reservation of northern Wisconsin from 1983 through 1987. Some data are interpreted to describe ground-water flow, groundwater quality, streamflow, and surface-water quality. Data also are presented in tables and appendixes for baseline reference. Precambrian sandstone and basalt underlie varying thicknesses of sandy...
Magnitude and frequency of floods in Arkansas
Scott A. Hodge, Gary D. Tasker
1995, Water-Resources Investigations Report 95-4224
Methods are presented for estimating the magnitude and frequency of peak discharges of streams in Arkansas. Regression analyses were developed in which a stream's physical and flood characteristics were related. Four sets of regional regression equations were derived to predict peak discharges with selected recurrence intervals of 2, 5, 10,...
Water resources of Teton County, Wyoming, exclusive of Yellowstone National Park
B. T. Nolan, K. A. Miller
1995, Water-Resources Investigations Report 95-4204
Surface- and ground-water data were collected and analyzed to describe the water resources of that part of Teton County, Wyoming located south of Yellowstone National Park. Wells and springs inventoried in the Teton County study area most commonly were completed in or issued from Quaternary unconsolidated deposits and Tertiary, Mesozoic,...
Ground-water resources in New Hampshire: Stratified-drift aquifers
Laura Medalie, R. B. Moore
1995, Water-Resources Investigations Report 95-4100
Stratified-drift aquifers underlie about 14 percent of the land surface in New Hampshire and are an important source of ground water for commercial, industrial, domestic, and public-water supplies in the State. This report introduces terms and concepts relevant to ground-water resources, summarizes some of the important information derived from a...
Pneumatic testing in 45-degree-inclined boreholes in ash-flow tuff near Superior, Arizona
G.D. LeCain
1995, Water-Resources Investigations Report 95-4073
Matrix permeability values determined by single-hole pneumatic testing in nonfractured ash-flow tuff ranged from 5.1 to 20.3 * 1046 m2 (meters squared), depending on the gas-injection rate and analysis method used. Results from the single-hole tests showed several significant correlations between permeability and injection rate and between permeability and test...
Estimates of ground-water recharge rates for two small basins in central Nevada
R.W. Lichty, P. W. McKinley
1995, Water-Resources Investigations Report 94-4104
Estimates of ground-water recharge rates developed from hydrologic modeling studies are presented for 3-Springs and East Stewart basins. two small basins (analog sites) located in central Nevada. The analog-site studies were conducted to aid in the estimation of recharge to the paleohydrologic regime associated with ground water in the vicinity...
Analysis of nutrient and ancillary water-quality data for surface and ground water of the Willamette Basin, Oregon, 1980-90
B. A. Bonn, S.R. Hinkle, D.A. Wentz, M.A. Uhrich
1995, Water-Resources Investigations Report 95-4036
An analysis of historical water-quality data for surface and ground water collected in the Willamette and Sandy River Basins during the 1980-90 water years was performed. For surface water, most data were concentrated at sites on the main stem Willamette River or near the mouths of major tributaries. All seasons...
Physical and hydrologic properties of outcrop samples from a nonwelded to welded tuff transition, Yucca Mountain, Nevada
C.A. Rautman, L. E. Flint, A. L. Flint, J.D. Istok
1995, Water-Resources Investigations Report 95-4061
Quantitative material-property data are needed to describe lateral and vertical spatial variability of physical and hydrologic properties and to model ground-water flow and radionuclide transport at the potential Yucca Mountain nuclear-waste repository site in Nevada. As part of ongoing site characterization studies of Yucca Mountain directed toward this understanding of...
Use and occurrence of pesticides in the Apalachicola-Chattahoochee-Flint River basin, Georgia, Alabama, and Florida, 1960-91
Susan M. Stell, Evelyn H. Hopkins, Gary R. Buell, Daniel J. Hippe
1995, Open-File Report 95-739
The Apalachicola-Chattahoochee-Flint (ACF) River basin was one of the first 20 study units selected in 1991 by the U.S. Geological Survey for its National Water-Quality Assessment (NAWQA) program. Because pesticide contamination of surface water and ground water is a concern nationwide, a major emphasis of the NAWQA program is to...