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Page 5214, results 130326 - 130350

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Ground-followup studies of the 1977 airborne electromagnetic survey in the Assifar and Mulhal areas, Wadi Bidah district, Kingdom of Saudi Arabia
Vincent J. Flanigan, Hamdy Sadek
1983, Open-File Report 83-367
Parts of four airborne electromagnetic (AEM) anomalies were selected for study in order to determine the cause of high conductivity of Precambrian rocks underlying extensive areas in the southern Wadi Bidah district, Kingdom of Saudi Arabia. In the Assifar area, which contains an ancient mine or prospect having the same...
Mineral resource potential map of the Benton Range Roadless Area, Mono County, California
James L. Donahoe, Edwin D. McKee, Richard L. Rains, Donald J. Barnes, Harry W. Campbell, David K. Denton Jr., Stephen R. Iverson, Rodney E. Jeske, Scott A. Stebbins
1983, Miscellaneous Field Studies Map 1317-C
Tungsten-bearing rocks in the Benton Range Roadless Area occur in tactite lenses within the Paleozoic metasedimentary units that surround and are intruded by Triassic granodiorite of the Benton Range. High anomalous tungsten values were found in the southern part of the study area. Quartz-vein deposits with copper, lead, zinc, and...
Bibliography of U.S. Geological Survey reports on the water resources of Florida, 1886-1982
Maude Claiborne, L.O. Nierstheimer, N.D. Hoy
1983, Open-File Report 83-540
The U.S. Geological Survey (USGS) has been making investigations of the water resources of Florida since the latter part of the 19th century. Early work consisted mainly of data collection at a few spring and river sites at intermittent intervals with the exception of a statewide groundwater study made during...
Effects of ground-water development in the North Fort Hood area, Coryell County, Texas
W.M. Sandeen
1983, Water-Resources Investigations Report 83-4074
The U.S. Army Corps of Engineers is studying the adequacy of the existing ground-water supplies of North Fort Hood, located in Coryell County in central Texas and an important part of the U.S. Army's Fort Hood Military Reservation. The U.S. Geological Survey was requested to compile the available ground-water data,...
Urban flood analysis in Oklahoma City, Oklahoma
Robert L. Tortorelli, T.L. Huntzinger, D. L. Bergman, A.L. Patneaude
1983, Open-File Report 83-26
Flood insurance study information from the Federal Emergency Management Agency is utilized to estimate future flood hazard in Oklahoma City, Oklahoma. Techniques are described for estimating future urban runoff estimates. A method of developing stream cross section rating curves is explained. Future runoff estimates are used in conjuction with the...
Spectral analysis of the 1976 aeromagnetic survey of Harrat Rahat, Kingdom of Saudi Arabia
H. Richard Blank, Hamdy S. Sadek
1983, Open-File Report 83-640
Harrat Rahat, an extensive plateau of Cenozoic mafic lava on the Precambrian shield of western Saudi Arabia, has been studied for its water resource and geothermal potential. In support of these investigations, the thickness of the lava sequence at more than 300 points was estimated by spectral analysis of low-level...
Water-quality characteristics for selected sites on the Cape Fear River, North Carolina, 1955-80: Variability, loads, and trends of selected constituents
J. Kent Crawford
1983, Open-File Report 83-526
Water-quality data for selected sites in the Cape Fear River basin collected by the U.S. Geological Survey, the North Carolina Department of Natural Resources and Community Development and the University of North Carolina at Chapel Hill are analyzed and interpreted in this report. Emphasis is given to the Cape Fear...
Effects of recharge from drainage wells on quality of water in the Floridan Aquifer in the Orlando area, central Florida
G. R. Schiner, E. R. German
1983, Water-Resources Investigations Report 82-4094
Approximately 400 drainage wells in the Orlando area inject, by gravity, large quantities of stormwater runoff that may or may not be suitable for most purposes without treatment into the same freshwater zones of the Floridan aquifer tapped for public supply. The wells are used mostly to control lake levels...
Analyses of geochemical samples and descriptions of rock samples, Adams Gap and Shinbone Creek Roadless Areas, Clay County, Alabama
M. S. Erickson, J.T. Hanley, D. L. Kelley, L.J. Sherlock
1983, Open-File Report 83-335
Semiquantitative spectrographic analyses for 31 elements on 105 rocks, 47 stream-sediment, and 70 soil samples from the Adams Gap and Shinbone Creek Roadless Areas and vicinity, Talladega National Forest, Clay County, Alabama are reported here in detail. Atomic-absorption analyses for zinc in all samples and for gold in 5 selected...