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Page 4666, results 116626 - 116650

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Preliminary evaluation of ground-water flow in Bear Creek Valley, the Oak Ridge Reservation, Tennessee
Z. C. Bailey
1988, Water-Resources Investigations Report 88-4010
Bear Creek Valley, Tennessee contains hazardous waste disposal sites where contaminants leach into ground and surface water. Groundwater flow and the potential migration of contaminants is poorly understood. The Valley is underlain by calcareous shale that contains limestone units. Ridges to the north and south are underlain by interbedded sandstones,...
Well construction, lithology, and geophysical logs for boreholes in Bear Creek Valley near Oak Ridge, Tennessee
Z. C. Bailey, D. W. Hanchar
1988, Water-Resources Investigations Report 88-4068
Twenty-four wells were constructed at nine sites at Bear Creek Valley to provide geologic and hydrologic information. Lithologic samples and suits of geophysical logs were obtained from the deepest boreholes at six of the sites. Two of these boreholes at the base of Chestnut Ridge were completed in the Maynardville...
Seismicity map of the state of Colorado
C. W. Stover, B.G. Reagor, S. T. Algermissen
1988, Miscellaneous Field Studies Map 2036
This map is one of a series of seismicity maps produced by the U.S. Geological Survey that show earthquake data of individual states or groups of states at the scale of 1:1,000,000.  This map shows only those earthquakes with epicenters located within the boundaries of Colorado, even though earthquakes in...
Leachate migration from an in-situ oil-shale retort near Rock Springs, Wyoming
Kent C. Glover
1988, Water Supply Paper 2322
Hydrogeologic factors influencing leachate movement from an in-situ oil-shale retort near Rock Springs, Wyoming, were investigated through models of ground-water flow and solute transport. Leachate, indicated by the conservative ion thiocyanate, has been observed ? mile downgradient from the retort. The contaminated aquifer is part of the Green River Formation...
Hydrogeologic setting, water levels, and quality of water from supply wells at the U.S. Marine Corps Air Station, Cherry Point, North Carolina
O. B. Lloyd Jr., C. C. Daniel III
1988, Water-Resources Investigations Report 88-4034
The Marine Corps Air Station is located in the Coastal Plain province of North Carolina. Four freshwater aquifers of sand and limestone underlie the area to a depth of about 500 feet. Saline water occurs below this depth. The aquifers are separated by three confining units that are thin and...
Borehole geophysics applied to ground-water investigations
W.S. Keys
1988, Open-File Report 87-539
The purpose of this manual is to provide hydrologists, geologists, and others who have the necessary training with the basic information needed to apply the most useful borehole-geophysical-logging techniques to the solution of problems in ground-water hydrology. Geophysical logs can provide information on the construction of wells and on the...
Data report for 1980-1981 seismic-refraction profiles in the western Mojave Desert, California
Reid N. Harris, A. W. Walter, Gary S. Fuis
1988, Open-File Report 88-580
During 1980 and 1981, the U.S. Geological Survey collected seismic refraction data in the western Mojave Desert (fig. 1). The seismic refraction data extends from north of the Garlock Fault, south through the Mojave Desert, and across the San Andreas Fault into the San Gabriel Mountains. This report describes and...
Station descriptions and availability of discharge and water-quality data through 1985 for eastern Montana stream sites not included in the National Water Data Exchange Program
B. L. Groskinsky Link, L. E. Cary
1988, Open-File Report 87-770
Stations were selected to monitor water discharge and water quality of streams in eastern Montana. This report describes the stations and indicates the availability of hydrologic data through 1985. Included are stations that are operated by organizations that do not belong to the National Water Data Exchange (NAWDEX) program operated...
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...