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Page 4423, results 110551 - 110575

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Geohydrologic data from test hole USW UZ-7, Yucca Mountain area, Nye County, Nevada
Jack Kume, D.P. Hammermeister
1990, Open-File Report 88-465
This report contains a description of the methods used in drilling and coring of the test-hole USW UZ-7, a description of the methods used in collecting, handling, and testing of test-hole samples; Lithologic information from the test hole; and water-content, water-potential, bulk-density, grain-density, porosity, and tritium data for the test...
Water resources data, Connecticut, water year 1989
M.A. Cervione Jr., B.S. Davies III, J.R. Bohr, B.W. Hunter
1990, Water Data Report CT-89-1
Water resources data for the 1989 water year for Connecticut consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality of ground-water wells. Specifically, it contains: (1) discharge records for 47 streamflow-gaging stations, and...
Ground-water flow in the Gulf Coast aquifer systems, south central United States — A preliminary analysis
A. K. Williamson, H. F. Grubb, J. S. Weiss
1990, Water-Resources Investigations Report 89-4071
A major objective of the Gulf Coast Regional Aquifer-System Analysis is to use digital models of regional groundwater flow systems to develop better understanding and to improve management of the resource. Modeling is used to synthesize information about the aquifer systems and to test hypotheses about the relative importance of...
A Mass-balance nitrate model for predicting the effects of land use on ground-water quality in municipal wellhead-protection areas
M. H. Frimpter, J.J. Donohue, M.V. Rapacz, H.G. Beye
1990, Open-File Report 88-493
A mass-balance accounting model can be used to guide the management of septic systems and fertilizers to control the degradation of groundwater quality in zones of an aquifer that contributes water to public supply wells. The nitrate nitrogen concentration of the mixture in the well can be predicted for steady-state...