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68924 results.

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Hydrogeologic and water-quality characteristics of glacial-drift aquifers in Minnesota
J. F. Ruhl
1987, Water-Resources Investigations Report 87-4224
Water in Minnesota 's glacial drift aquifers generally is of acceptable quality for most uses, including household supply, industrial use, and irrigation. The aquifers generally contain calcium magnesium bicarbonate-type waters, but other types are present also. Calcium magnesium sulfate-type waters are common in the confined drift aquifers in the southwestern and...
Selected water-quality data for the Burley irrigation district, south-central Idaho, March-April, 1987
H.W. Young, D. J. Parliman, M.L. Jones
1987, Open-File Report 87-240
This map report presents selected March-April 1987, water quality data, principally dissolved nitrite plus nitrate as nitrogen, and depth-to-water measurements for 118 wells in the Burley Irrigation District, south-central Idaho. Nitrogen concentrations ranged from 0.37 to 30 mg/L; the median concentration was 8.0 mg/L. Nitrogen concentrations in 19 wells equaled...
Selected water-quality data for the Minidoka Irrigation District, south-central Idaho, June 1987
H.W. Young, D. J. Parliman, I. O'Dell
1987, Open-File Report 87-465
This map report presents June 1987 water-quality data, principally dissolved nitrite plus nitrate (as nitrogen), and depth-to-water measurements for 67 wells in the Minidoka Irrigation District, south-central Idaho. Nitrogen concentrations ranged from 0.2 to 76 milligrams per liter; the median concentrations was 6.6 milligrams per liter. Nitrogen concentrations in 9...
Selected water-quality data for the Murtaugh Lake area, south-central Idaho, June 1987
D. J. Parliman, H.W. Young
1987, Open-File Report 87-466
This report presents June 1987 water-quality data, principally dissolved chloride and dissolved nitrite plus nitrate (as nitrogen), for water samples from 45 wells in the Murtaugh Lake area, south-central Idaho. Chloride concentrations ranged from 23 to 320 milligrams per liter; the median concentration was 70 milligrams per liter. Nitrogen concentrations...
Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1985-87
Barbara J. Dague
1987, Water-Resources Investigations Report 87-4252
Continuing studies are being made in west-central Kansas to provide up-to-date information that will aid in the management of groundwater for irrigation. This report, prepared by the U.S> Geological Survey in cooperation with the Western Kansas Groundwater Management District No. 1,  presents the results of the seventh in a series...
The potentiometric surface of the Aquia aquifer in southern Maryland, September 1985
Frederick K. Mack, Judith C. Wheeler, Stephen E. Curtin, David C. Andreasen
1987, Water-Resources Investigations Report 87-4029
The potentiometric map is highlighted with indications concerning: (1) outcrop areas of the Aquia aquifer; (2) the potentiometric contour of the aquifer; (3) observation and/or supply wells yielding < 10,000 gallons/day (gpd); and (4) other supply wells with yields > 10,000 gpd. (Lantz-PTT)...
Hydrogeology of the Salamanca area, Cattaraugus County, New York
Phillip J. Zarriello
1987, Water-Resources Investigations Report 85-4149
The hydrogeology of a 132-sq mi area centered at Salamanca, NY, is summarized in five maps at 1:24,000 scale. The maps show locations of wells and test holes, surficial geology and geologic sections, water-table surface, soil permeability, and land use. The valley-fill aquifer in the Salamanca area serves approximately 7,000...
Drainage areas in the James River basin in eastern South Dakota
Rick D. Benson, M.E. Freese, Frank D. Amundson, V.J. Wipf
1987, Open-File Report 87-572
The James River of eastern South Dakota contains an important surface-water supply for the agricultural economy within the basin. Proposed water-resource development has prompted numerous hydrologic studies of the James River. To aid in planning for future development, the map delineates all named stream basins, and all unnamed basins larger...
Hydrogeology of the Olean area, Cattaraugus County, New York
Phillip J. Zarriello, Richard J. Reynolds
1987, Water-Resources Investigations Report 85-4157
Most principal aquifers in upstate New York are unconsolidated glacial and alluvial deposits within bedrock valleys. Groundwater in these aquifers can be under either water table (unconfined) or artesian (confined) conditions. Farms, industries, or towns and cities have been built upon many of these aquifers because they form level areas...
Data on ground-water quality for the Winnemucca 1° x 2° quadrangle, central Nevada
Alan H. Welch, Rhea P. Williams
1987, Open-File Report 85-648-G
Water quality data for groundwater has been compiled for the Winnemucca 1 degree x 2 degree quadrangle which covers a portion of central Nevada. Chemical characteristics of the water are shown on a map (at a scale of 1:250,000) and on trilinear diagrams for the major ions. The data for...
Data on ground-water quality for the Tonopah 1° x 2° quadrangle, central Nevada
Alan H. Welch, Rhea P. Williams
1987, Open-File Report 85-648-J
Water quality data for groundwater has been compiled for the Tonopah 1 degree x 2 degree quadrangle which covers a portion of central Nevada. Chemical characteristics of water are shown on a map (at a scale of 1:250,000) and on trilinear diagrams for the major ions. The data for the...
Data on ground-water quality for the Reno 1° x 2° quadrangle, western Nevada
Alan H. Welch, Rhea P. Williams
1987, Open-File Report 85-648-H
Water quality data for groundwater has been compiled for the Reno 1 degree x 2 degree quadrangle which covers a portion of western Nevada. Chemical characteristics of the water are shown on a map (at a scale of 1:250,000) and on trilinear diagrams for the major ions. The data for...
Geohydrologic framework of the coastal plain aquifers of South Carolina
Walter R. Aucott, Marvin E. Davis, Gary K. Speiran
1987, Water-Resources Investigations Report 85-4271
The U.S. Geological Survey is conducting a series of investigations of aquifers throughout the United States as a part of the RASA (Regional Aquifer System Analysis) program. These investigations provide a comprehensive regional understanding of groundwater resources throughout the Nation. The Coastal Plain aquifers in South Carolina are being studied...