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Page 1818, results 45426 - 45450

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Evaluation of selenium mobility in soil using sorption experiments and a numerical model, western San Joaquin Valley, California
John L. Fio, Roger Fujii, S. J. Deverel
1990, Open-File Report 90-135
Sorption experiments and a numerical model were used to assess the effects of irrigation and drainage on the depth distribution of selenite and selenate in soils from the western San Joaquin Valley, California. The sorption studies show that selenate (15 to 12,400 micrograms per liter of selenium) is not adsorbed...
Geothermal resources of the western arm of the Black Rock Desert, northwestern Nevada: Part II, aqueous geochemistry and hydrology
A. H. Welch, A. M. Preissler
1990, Water-Resources Investigations Report 87-4062
The western arm of the Black Rock Desert, Nevada, includes several distinct hydrothermal systems, some of which exceed 150 C and may exceed 200 C at depth, determined on the basis of chemical geothermometry. The cation composition of the thermal water appears to be controlled by aluminosilicate minerals that are...
Water resources data, Florida, water year 1989. Volume 1A: Northeast Florida surface water
Water Resources Division, U.S. Geological Survey
1990, Water Data Report FL-89-1A
Water resources data for the 1989 water year in Florida consist of continuous or daily discharge for 295 streams, periodic discharge for 36 streams, miscellaneous discharge for 75 streams, continuous or daily stage for 154 streams, continuous daily tide stage for 12 sites, periodic stage for 13 streams, peak discharge...
Geohydrologic systems in Kansas with emphasis on systems in Upper Cambrian through Lower Cretaceous rocks
R. J. Wolf, C. V. Hansen, H.E. McGovern, J. M. Spinazola
1990, Hydrologic Atlas 722-A
This Hydrologic Investigations Atlas, which consists of a series of chapters, presents a description of (1) the physical frameworks and (2) the geohydrology of the principal aquifers and confining systems in Kansas. The report is the result of an investigation that has been made as part of the Central Midwest...
Evaluation of three electronic report processing systems for preparing hydrologic reports of the U.S Geological Survey, Water Resources Division
G.J. Stiltner
1990, Open-File Report 89-576
In 1987, the Water Resources Division of the U.S. Geological Survey undertook three pilot projects to evaluate electronic report processing systems as a means to improve the quality and timeliness of reports pertaining to water resources investigations. The three projects selected for study included the use of the following configuration...
Water resources data, West Virginia, water year 1989
S.M. Ward, J. A. Macy, F.M. Taylor, G.M. Ferrell
1990, Water Data Report WV-89-1
Water-resources data for the 1989 water year for West Virginia consist of records of stage, discharge, and water quality of streams; contents of reservoirs; and water levels of observation wells. This report contains discharge records for 81 streamflow-gaging stations; stage only records for 7 gaging stations; annual maximum discharge at...
Hydrogeology of the Point Lookout Sandstone in the San Juan structural basin, New Mexico, Colorado, Arizona, and Utah
Steven D. Craigg, W. L. Dam, J. M. Kernodle, C. R. Thorn, G. W. Levings
1990, Hydrologic Atlas 720-G
This report is one in a series resulting from the U.S. Geological Survey's Regional Aquifer-System Analysis (RASA) study of the San Juan structural basin that began in October 1984. Previous reports in the series describe the hydrogeology of the Dakota Sandstone (Craigg and others, 1989), Morrison Formation (Dam and others,...
Water resources data, West Virginia, water year 1988
S.M. Ward, J. A. Macy, F.M. Taylor, G.M. Ferrell
1990, Water Data Report WV-88-1
Water-resources data for the 1988 water year for West Virginia consist of records of stage, discharge, and water quality of streams; contents of reservoirs; and water levels of observation wells. This report contains discharge records for 79 streamflow-gaging stations; stage only records for 7 gaging stations, and 2 crest-stage partial-record...
Water resources data, Florida, water year 1989. Volume 2B: South Florida - ground water
W.J. Haire, A.C. Lietz
1990, Water Data Report FL-89-2B
Water resources data for the 1989 water year in Florida consists of continuous or daily discharge for 295 streams, periodic discharge for 36 streams, miscellaneous discharge for 75 streams, continuous or daily stage for 154 streams, periodic stage for 13 streams, peak discharge for 57 streams, continuous daily tide stage...
A summary of water-resources activities of the U.S. Geological Survey in Iowa; fiscal year 1990
1990, Open-File Report 90-583
Water resources activities of the U.S. Geological Survey in Iowa consist of collecting hydrologic data and conducting interpretive studies. Hydrologic investigations in Iowa are made through three basic types of projects: (1) hydrologic data-collection programs; (2) local or areal hydrologic studies; and (3) statewide or regional investigations. These projects are...
Ground-water pumpage and water-level declines in the Peedee and Black Creek aquifers in Onslow and Jones counties, North Carolina, 1900-86
W.L. Lyke, A. R. Brockman
1990, Water-Resources Investigations Report 89-4197
Two aquifers in sediments of Cretaceous age, The Peedee and Black Creek aquifers, have become a major source of freshwater in Onslow and Jones Counties in North Carolina since about 1960. Prior to 1960, most water systems in this area withdrew water from younger sand or limestone beds that overlie...
Water resources of the Descanso Area, San Diego County, California
L. F. Duell Jr.
1990, Water-Resources Investigations Report 90-4014
Hydrologic information was collected during water year 1988 (October 1987 to September 1988) to evaluate the effects of current pumping on groundwater levels in the Descanso area in south-central San Diego County. Water year 1988 was a period of near-normal precipitation and runoff. The groundwater system in the area...
Water resources data, Florida, water year 1989. Volume 2A. South Florida surface water
W.J. Haire, C. Price
1990, Water Data Report FL-89-2A
Water resources data for the 1989 water year in Florida consists of continuous or daily discharge for 295 streams, periodic discharge for 36 streams, miscellaneous discharge for 75 streams, continuous or daily stage for 154 streams, periodic stage for 13 streams, peak discharge for 57 streams, continuous daily tide stage...