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Page 4243, results 106051 - 106075

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Hydrologic data for urban studies in the Austin metropolitan area, Texas, 1986
J.D. Gordon, D.L. Pate, D.L. Slagle
1988, Open-File Report 87-768
The Geological Survey, in cooperation with the Texas Department of Water resources, began hydrologic studies in the Austin urban area in 1954. In cooperation with the city of Austin, the program was expanded in 1975 to include additional streamflow and rainfall-gaging stations, and the collection of surface water-quality data. In...
Progress report on the ground-water, surface-water, and quality- of-water monitoring program, Black Mesa Area, northeastern Arizona — 1987-88
R. J. Hart, J. P. Sottilare
1988, Open-File Report 88-467
The Black Mesa, Arizona, monitoring program is designed to determine long-term effects on the water resources of the area resulting from withdrawals of groundwater from the N aquifer by the strip-mining operation of Peabody Coal Company. Withdrawals by Peabody Coal Company increased from 95 acre-ft in 1968 to 3 ,832...
Summary of water data for the Janzen recharge investigation, Scott County, Kansas, 1980-86
L.E. Stullken
1988, Open-File Report 88-83
The U.S. Geological Survey, in cooperation with the Western Kansas Groundwater Management District No. 1, established data collection instrumentation around an earthen dam in Scott County , west-central Kansas. The dam was placed on an ephemeral drainage to monitor water storage behind the dam, precipitation, and groundwater levels in the...
Reconnaissance investigation of water-quality, bottom sediment, and biota associated with irrigation drainage in the Lower Rio Grande Valley and Laguna Atascosa National Wildlife Refuge, Texas, 1986-87
Frank C. Wells, Gerry A. Jackson, William J. Rogers
1988, Water-Resources Investigations Report 87-4277
In 1986, the Department of the Interior conducted reconnaissance investigations in nine areas of the western conterminous United States to determine whether irrigation drainage has caused or has the potential to cause harmful effects to human health, fish, and wildlife, or may adversely affect the suitability of water for beneficial...
U.S. Geological Survey ground-water studies in Utah
Joseph S. Gates
1988, Open-File Report 88-157
Ground water is an important natural resource in Utah. In the basins west of the Wasatch Front, and in many other parts of Utah, ground water is the primary source of water. In many of the basins of the western desert and in parts of the Colorado Plateau, ground water...
Operating manual for the U.S. Geological Survey minimonitor, 1988 revised edition; punched-paper-tape model
James H. Ficken, Carl T. Scott
1988, Open-File Report 88-491
This manual describes the U.S. Geological Survey Minimonitor Water Quality Data Measuring and Recording System. Instructions for calibrating, servicing, maintaining, and operating the system are provided. The Survey Minimonitor is a battery-powered , multiparameter water quality monitoring instrument designed for field use. A watertight can containing signal conditioners is connected...
Aquifer-test evaluation and potential effects of increased ground-water pumpage at the Stovepipe Wells Hotel area, Death Valley National Monument, California
L. R. Woolfenden, Peter Martin, Brian Baharie
1988, Water-Resources Investigations Report 87-4270
Ground-water use in the Stovepipe Wells Hotel area in Death Valley National Monument is expected to increase significantly if the nonpotable, as well as potable, water supply is treated by reverse osmosis. During the peak tourist season, October through March, ground-water pumpage could increase by 37,500 gallons per day, or...
Water resources data for Michigan, water year 1987
S. P. Blumer, J.C. Failing, W.W. Larson, C.R. Whited, R.L. LeuVoy
1988, Water Data Report MI-87-1
Water resources data for the 1987 water year for Michigan consists of records of stage, stage and contents of lakes and discharge, and water quality of streams; reservoirs; and water levels and water temperature of ground water. This report contains discharge records for 135 streamflow-gaging stations; stage only records for...
Simulated effects of ground-water management alternatives for the Salinas Valley, California
E.B. Yates
1988, Water-Resources Investigations Report 87-4066
A two-dimensional digital groundwater flow model was developed to analyze the geohydrology of the groundwater basin in the Salinas Valley. The model was calibrated for steady-state and transient simulations by comparing simulated with measured or estimated inflows, outflows, and water levels for 1970-81. Preliminary estimates of hydraulic properties and some...
Ground-water conditions in the Anza-Terwilliger area, with emphasis on the Cahuilla Indian Reservation, Riverside County, California, 1973-86
L. R. Woolfenden, D.J. Bright
1988, Water-Resources Investigations Report 88-4029
Demand for groundwater in the 96-sq mi Anza Terwilliger area of California has increased in recent years because of population growth and agricultural development. In order to evaluate the potential effects of continued growth and development on the water resources of Cahuilla Indian Reservation, water level, land use, and water...