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Page 4707, results 117651 - 117675

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Water use in Wisconsin, 1985
B.R. Ellefson, K.S. Rury, J. T. Krohelski
1987, Open-File Report 87-699
An inventory of water use in Wisconsin is essential for appraising current and future water-resource needs of the State. The U.S. Geological Survey has collected and published national water-use data every 5 years since 1950. Sources of data in these reports have not always been well documented, and the methods...
Industrial mineral resources of the Springfield 1 degree by 2 degrees Quadrangle, Missouri
A. W. Rueff
1987, Miscellaneous Field Studies Map 1830-F
This publication is part of a folio of maps of the Springfield 10° × 20° quadrangle, Missouri, prepared under the Conterminous United States Minera1 Assessment Program of the U.S. Geological Survey. Other publications in this folio to date include U.S. Geological Survey Miscellaneous Field Studies Maps MF-1830-A through E (Erickson...
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...
Interpretation of the regional geochemistry of the Tonopah 1 degree by 2 degrees Quadrangle, Nevada, based on analytical results from stream-sediment and nonmagnetic heavy-mineral-concentrate samples
J. T. Nash
1987, Open-File Report 87-595
Results of more than 2,400 analyses of <0.25-mm fraction of stream sediments and nonmagnetic heavy-mineral concentrates from stream sediments from 1,217 sites in the Tonopah quadrangle demonstrate the existence of anomalous concentrations of many metals of economic interest in many areas. Single-element anomalies of As, Pb, or Sb in stream...
Methods for the determination of organic substances in water and fluvial sediments
R.L. Wershaw, M. J. Fishman, R. R. Grabbe, L. E. Lowe, editor(s)
1987, Techniques of Water-Resources Investigations 05-A3
This manual describes analytical methods used by the U.S. Geological Survey to determine organic substances in water, water-suspended-sediment mixtures, and bottom material. Some of the analytical procedures yield determinations for specific com-pounds, whereas others provide a measure of the quantity of groups of compounds present in the sample. Examples of...
Geologic structure and altitude of the top of the Minnelusa Formation, northern Black Hills, South Dakota and Wyoming, and Bear Lodge Mountains, Wyoming
Kathy D. Peter, David P. Kyllonen, K. R. Mills
1987, Water-Resources Investigations Report 85-4053
Beginning in 1981, a 3-yr project was conducted to determine the availability and quality of groundwater in the sedimentary bedrock aquifers in the Black Hills of South Dakota and Wyoming. The project was limited to three bedrock units in order of increasing age: the Cretaceous Inyan kara Group, Permian and...
Traveltime and dispersion in the Illinois River, Marseilles to Peoria, Illinois
E.E. Zuehls
1987, Water-Resources Investigations Report 87-4106
Traveltime in 89.3 mi of the Illinois River between Marseilles Dam and Peoria Dam was measured using rhodamine-WT dye. On each of four subreaches, dye-tracer measurements were made at approximately 50- and 85% flow duration in 1978, 1979, and 1985. The dye-tracer data were used to develop a method for...
Sediment-transport curves
G.D. Glysson
1987, Open-File Report 87-218
The process of developing a sediment transport curve is discussed with respect to the choice of dependent and independent variables, procedures for developing a transport curve, and the effects that seasons, major sediment transporting events, and timing of peaks can have on the shape of sediment transport curves. Examples of...
Water resources data for Alabama, water year 1986
H.C. Rollins, F.C. Sedberry, J. L. Pearman, T.R. Duvall
1987, Water Data Report AL-86-1
The Water Resources Division of the U.S. Geological Survey, in cooperation with State and Federal agencies, obtains a large amount of data pertaining to the water resources of Alabama each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding of...