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Page 4095, results 102351 - 102375

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Water Resources Data, California, Water Year 1992. Volume 4. Northern Central Valley Basins and the Great Basin from Honey Lake Basin to Oregon State Line
S.W. Anderson, J.R. Mullen, M.F. Friebel, K.L. Markham
1993, Water Data Report CA-92-4
Water resources data for the 1992 water year for California consist of records of stage, discharge, and water quality of streams; stage and contents in lakes and reservoirs; and water levels and water quality in wells. Volume 4 contains discharge records for 190 gaging stations; stage and contents for 44...
Water resources data, Arizona water year 1992
C.F. Smith, F. C. Boner, R.G. Davis, N.R. Duet, P.D. Rigas
1993, Water Data Report AZ-92-1
The Water Resources Division of the U.S. Geological Survey, in cooperation with State agencies, obtains a large amount of data pertaining to the water resources of Arizona each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding of the water...
Methods for sampling fish communities as part of the National Water-Quality Assessment Program
M. R. Meador, T. F. Cuffney, M. E. Gurtz
1993, Open-File Report 93-104
Fish community structure is characterized in the U.S. Geological Survey's National Water-Quality Assessment Program as part of an integrated physical, chemical, and biological assessment of the Nation's water quality. The objective of the National Water-Quality Assessment characterization of fish community structure is to relate fish community characteristics to physical, chemical,...
Geohydrology and evaluation of water-resource potential of the upper Floridan Aquifer in the Albany area, southwestern Georgia
L.J. Torak, G. S. Davis, G.A. Strain, J.G. Herndon
1993, Water Supply Paper 2391
In the Albany area of southwestern Georgia, the Upper Floridan aquifer lies entirely within the Dougherty Plain district of the Coastal Plain physiographic province, and consists of the Ocala Limestone of late Eocene age. The aquifer is divided throughout most of the study area into an upper and a lower...
The Conterminous United States Mineral Assessment Program; background information to accompany folio of geologic, geochemical, remote sensing, and mineral resources maps of the Butte 1 degree x 2 degrees Quadrangle, Montana
James E. Elliott, C. M. Trautwein, C. A. Wallace, G. K. Lee, L. C. Rowan, W. F. Hanna
1993, Circular 1088
The Butte 1?x2 ? quadrangle in west-central Montana was investigated as part of the U.S. Geological Survey's Conterminous United States Mineral Assessment Program (CUSMAP). These investigations included geologic mapping, geochemical surveys, gravity and aeromagnetic surveys, examinations of mineral deposits, and specialized geochronologic and remote-sensing studies. The data collected during these...
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of chromium in water by graphite furnace atomic absorption spectrophotometry
B.J. McLain
1993, Open-File Report 93-449
Graphite furnace atomic absorption spectrophotometry is a sensitive, precise, and accurate method for the determination of chromium in natural water samples. The detection limit for this analytical method is 0.4 microg/L with a working linear limit of 25.0 microg/L. The precision at the detection limit ranges from 20 to 57...
Ground-water resources of the Caguas-Juncos Valley, Puerto Rico
J. C. Puig, J. M. Rodriguez
1993, Water-Resources Investigations Report 91-4079
?The Caguas-Juncos valley, which occupies an area of 35 square miles in east-central Puerto Rico, is underlain by the largely unconfined alluvial aquifer. Withdrawals from this aquifer for public water supply and for agricultural, industrial, and domestic water uses totalled about 3.0 million gallons per day in 1988....
Hydrogeology, ground-water quality, and potential for water-supply contamination near an abandoned wood-preserving plant site at Jackson, Tennessee
W. S. Parks, J. E. Mirecki, J.A. Kingsbury
1993, Water-Resources Investigations Report 93-4170
Hydrogeologic and ground-water-quality data were collected near an abandoned wood-preserving plant site at Jackson, Tennessee to determine the extent and magnitude of ground-water contamination in offsite areas and to assess the potential for contamination of nearby water-supply wells. New methods were used to collect ground-water samples from the alluvial aquifer...