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Page 4805, results 120101 - 120125

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Reconnaissance geologic map of southwestern Misheguk Mountain quadrangle, Alaska
S.M. Curtis, Inyo Ellersieck, C.F. Mayfield, I.L. Tailleur
1982, Open-File Report 82-611
This map is one of a series of three reconnaissance geologic maps of the southern Misheguk Mountain quadrangle (fig. 1). Because the geology in all three map areas is similar, a composite map explanation has been designed to facilitate their combined use and provide the reader with a better perspective...
Reconnaissance geologic map of southeastern Misheguk Mountain Quadrangle, Alaska
Charles F. Mayfield, S.M. Curtis, Inyo Ellersieck, I.L. Tailleur
1982, Open-File Report 82-613
This map is one of a series of three reconnaissance geologic maps of the southern Misheguk Mountain quadrangle (fig. 1). Because the geology in all three map areas is similar, a composite map explanation has been designed to facilitate their combined use and provide the reader with a better perspective...
Hydrologic analysis of the upper San Pedro basin from the Mexico-United States international boundary to Fairbank, Arizona
G. W. Freethey
1982, Open-File Report 82-752
A definition of the hydrologic system of the upper San Pedro basin was obtained by developing a numerical ground-water model to evaluate a conceptual model of the system. Information on hydraulic properties of the basin fill, recharge from bordering mountain ranges, discharge by evapotranspiration, and exchange of water between aquifer...
A Numerical model to evaluate proposed ground-water allocations in southwest Kansas
D. G. Jorgensen, H. F. Grubb, C.H. Baker, G.E. Hilmes, E. D. Jenkins
1982, Water-Resources Investigations Report 82-4095
A computer model was developed to assist the Southwest Kansas Groundwater Management District No. 3 in the evaluation of applications to appropriate ground water. The model calculated the drawdown due from a proposed well at all existing wells in the section of the proposed well and at all wells in...
Program for evaluating stream quality in North Carolina
Hugh B. Wilder, Clyde E. Simmons
1982, Water Supply Paper 2185-A
The design and objectives of the program for evaluating stream quality in North Carolina are described. Using water-quality and streamflow data collected since the 1940?s, a study is underway to define certain variations in water quality, to quantify the effects of man?s activities on water quality, and to determine long-term...
Water resources data Georgia, water year 1981
Water Resources Division, U.S. Geological Survey
1982, Water Data Report GA-81-1
Water resources data for the 1981 water year for Georgia consists of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs; and ground-water levels. This report contains discharge records of 109 gaging stations; stage for 10 gaging stations; stage and contents for 17...
Trap-efficiency study, Highland Creek flood-retarding reservoir near Kelseyville, California, water years 1966-77
L.F. Trujillo
1982, Water Supply Paper 2182
This investigation is part of a nationwide study of trap efficiency of detention reservoirs. In this report, trap efficiency was computed from reservoir inflow and outflow sediment data and from reservoir survey and outflow data. Highland Creek Reservoir is a flood-retarding reservoir located in Lake County, near Kelseyville, California. This...
Plankton studies in San Francisco Bay; IV, Phytoplankton abundance and species composition, January 1980 - February 1981
R.L. Wong, J. E. Cloern
1982, Open-File Report 82-443
Data are presented on the phytoplankton species composition and abundance in San Francisco Bay from January 1980 through February 1981. Phytoplankton were identified and enumerated in surface samples collected approximately every two weeks at selected stations in the main channel of the Bay, and at shoal stations in the central...
Some chemical characteristics of mine drainage in Illinois
L.G. Toler
1982, Water Supply Paper 2078
Surface mining for coal in Illinois has affected runoff from the mined areas and altered water quality in the streams. Average annual sulfate loads in streams are 3,000-4,000 tons per square mile of mined land in the Big Muddy and Saline River basins in southern Illinois. Relatively high concentrations of...