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Page 4254, results 106326 - 106350

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Not all publications have extents, not all extents are completely accurate
Hydrogeology and simulated effects of ground-water development on an unconfined aquifer in the Closed Basin Division, San Luis Valley, Colorado
G.J. Leonard, Kenneth R. Watts
1988, Water-Resources Investigations Report 87-4284
Wells completed in an unconfined aquifer in the Closed Basin Division of the San Luis Valley Project, Colorado, are expected to provide about 101,800 acre-ft of groundwater/year to the Rio Grande when this project is completed. Lowering of groundwater levels in the unconfined aquifer is expected to decrease the quantity...
Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Sun River area, west-central Montana, 1986-87
J. R. Knapton, W. E. Jones, J. W. Sutphin
1988, Water-Resources Investigations Report 87-4244
The Sun River area was selected for a reconnaissance investigation of irrigation drainage because sufficient information existed to indicate that potential problems of a toxic nature might exist. The area of study included the Sun River Irrigation Project, Freeze-out Lake Game Management Area, and Benton Lake National Wildlife Refuge. Water,...
An experiment in representative ground-water sampling for water- quality analysis
T.L. Huntzinger, L.E. Stullken
1988, Water-Resources Investigations Report 88-4178
Obtaining a sample of groundwater that accurately represents the concentration of a chemical constituent in an aquifer is an important aspect of groundwater-quality studies. Varying aquifer and constituent properties may cause chemical constituents to move within selectively separate parts of the aquifer. An experiment was conducted in an agricultural region...
Simulation of the regional geohydrology of the Tesuque aquifer system near Santa Fe, New Mexico
D. P. McAda, Maryann Wasiolek
1988, Water-Resources Investigations Report 87-4056
Declining groundwater levels resulting from groundwater withdrawals in the Santa Fe, New Mexico, area have caused concern about the future availability of water in the Tesuque aquifer system. This report describes the geohydrology of the Tesuque aquifer system in the Santa Fe area and presents a three-dimensional regional groundwater flow...
Estimated Use of Water in the United States in 1985
Wayne B. Solley, Charles F. Merk, Robert R. Pierce
1988, Circular 1004
Water withdrawals in the United States during 1985 were estimated to average 399,000 million gallons per day (Mgal/d) of freshwater and saline water for offstream uses--10 percent less than the 1980 estimate. Average per-capita use for all offstream uses was 1,650 gallons per day (gal/d) of freshwater and saline water...
Low-flow profiles of the Tallapoosa River and tributaries in Georgia
R.F. Carter, E. H. Hopkins, H.A. Perlman
1988, Water-Resources Investigations Report 88-4050
Low flow information is provided for use in an evaluation of the capacity of streams to permit withdrawals or to accept waste loads without exceeding the limits of State water quality standards. The report is the fourth in a series of reports presenting the results of a low flow study...
Water-resources activities in Illinois, 1987
M.L. Garrelts
1988, Open-File Report 87-698
This report gives an overview of U.S. Geological Survey, Illinois District, Water Resources Division activities related to the water resources of the State of Illinois. The report includes sections describing District organization, programs, water conditions, data collection activities, and project summaries. Also included is a complete listing of District and...
Water levels in periodically measured wells in the Yucca Mountain area, Nye County, Nevada, 1981-87
J. H. Robison, D.M. Stephens, R. R. Luckey, D.A. Baldwin
1988, Open-File Report 88-468
This report contains data on groundwater levels beneath Yucca Mountain and adjacent areas, Nye County, Nevada. In addition to new data collected since 1983, the report contains data that has been updated from previous reports, including added explanations of the data. The data was collected in cooperation with the U.S....
Levels at streamflow gaging stations
E.J. Kennedy
1988, Open-File Report 88-710
This manual establishes the surveying procedures for setting gages at a streamflow gaging station to datum and for checking them periodically for errors caused by vertical movement of the gage-supporting structures. The surveying terms and concepts used are explained; and the details of testing, adjusting, and operating the instruments are...
Operating manual for the R200 downhole recorder with husky hunter retriever
Roy A. Johnson, James I. Rorabaugh
1988, Open-File Report 88-455
The R200 Downhole Recorder is a battery-powered device that, when placed in a well casing, monitors water levels for a period of up to 1 year. This instrument measures a 1- to 70-foot range of water levels. These water-level data can be retrieved through use of a commercially available portable...