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165658 results.

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Page 3921, results 98001 - 98025

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Compilation of ground-water level measurements, obtained by the United States Geological Survey in Puerto Rico, 1958-1985
Sigfredo Torres-Gonzalez
1991, Open-File Report 88-701
A digital compilation of the groundwater levels in Puerto Rico was prepared as part of the Caribbean Islands Regional Aquifers System Analysis program. Of special interest are the groundwater levels measurements obtained on a routine basis at wells located in the different aquifer regions or aquifer zones. Data from 181...
Effects of land-management practices on sediment yields in northeastern Guilford County, North Carolina
C.L. Hill
1991, Water-Resources Investigations Report 90-4127
Streamflow, precipitation, and suspended-sediment data were collected from two small agricultural basins in the Piedmont province of North Carolina. The data were used to determine the effects of land-management practices on sediment yield. One basin of 7.4 acres represents best land-management practices with strip cropping, crop rotation, contour farming, and...
Chemical and physical data related to ground water in the vicinity of abandoned uraniferous lignite mines, western North Dakota, December 1983 through June 1988
J. D. Wald
1991, Open-File Report 91-527
Geochemical and hydrologic data were collected in and around six abandoned uranlferous lignite mines in western North Dakota during December 1983 through June 1988. These data Include well construction and field water-quality data for 224 wells, test holes, and springs. Also Included are water levels in selected wells, lithologlc logs of...
Withdrawals from the Edwards-Trinity aquifer system and contiguous hydraulically connected units, west-central Texas, December 1974 through March 1977
Dee L. Lurry, Dianne J. Pavlicek
1991, Water-Resources Investigations Report 91-4021
The Edwards-Trinity aquifer system and contiguous hydraulically connected units (fig. 1) are being studied as a part of the U.S. Geological Survey's Regional Aquifer-System Analysis (RASA) program. The aquifer system, which underlies about 40,000 mi2 in west-central Texas, comprises mostly near-surface carbonate rocks, sand, and sandstone of Early Cretaceous age...
Depth to water in the eastern Snake River Plain and surrounding tributary valleys, southwestern Idaho, calculated using water levels from 1980 to 1988
Molly A. Maupin
1991, Water-Resources Investigations Report 90-4193
The vulnerability of ground water to contamination in Idaho is being assessed by the IDHW/DEQ (Idaho Department of Health and Welfare, Division of Environmental Quality), using a modified version of the Environmental Orotection Agency DRASTIC methods (Allers and others, 1985). The project was designed as a technique to: (1) Assign...
Water resources data, Florida, water year 1990. Volume 1A. Northeast Florida surface water
Water Resources Division, U.S. Geological Survey
1991, Water Data Report FL-90-1A
Water resources data for the 1990 water year in Florida consist of continuous or daily discharge for 349 streams, periodic discharge for 40 streams, miscellaneous discharge for 75 streams, continuous or daily stage for 105 streams, continuous daily tide stage for 12 sites, periodic stage for 25 streams, peak discharge...