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Page 5777, results 144401 - 144425

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Tin and related elements in sediments and beach sands from Afghanistan, Iran, and Turkey
J. A. Domenico, W.C. Overstreet, A.E. Hubert, R. B. Tripp
1978, Open-File Report 79-1188
Sixty samples of sediments from stream beds, outwash plains, and beaches were collected in Afghanistan, Iran, and Turkey by Fred L. Klinger,U.S. Bureau of Mines, as part of the field work undertaken by the National Geographic-Smithsonian Pyrotechnological Expedition of 1968. Facilities for the analysis of the samples for tin and...
Summary of the water resources of Puerto Rico
H.J. McCoy
1978, Open-File Report 78-971
The U.S. Department of Commerce (DOC) is the lead agency in the Federal Interagency Study of the Economy of Puerto Rico. At the request of DOC the U.S. Geological Survey is providing a discussion of the water resources of the island for inclusion in the study's section on macroeconomic assessment.Two...
Reconnaissance evaluation of water resources for hydraulic coal mining, Grand Hogback coal field: Garfield and Rio Blanco Counties, Colorado
William M. Alley, Linda J. Britton, Elaine L. Boyd
1978, Open-File Report 78-885
Surface-water and ground-water data were compiled for the parts of the Colorado River and the White River basins in and adjacent to the Grand Hogback coal field. The data were evaluated to assess the quantity and quality of water resources available in the area for use in hydraulic coal mining....
Analyses of water, core material, and elutriate samples collected near Yazoo City, Mississippi (Yazoo Headwater Project)
Harold L. Leone, Alton J. Dupuy
1978, Open-File Report 78-792
Five core-material-sampling sites were chosen by the U.S. Army Corps of Engineers to represent areas of proposed dredging activity. Four receiving-water sites also were selected to represent the water that will contact the proposed dredged material. Chemical and physical analyses were performed upon core material and native-water samples from these...
Methodology of determining the uncertainty in the accessible geothermal resource base of identified hydrothermal convection systems
Manuel Nathenson
1978, Open-File Report 78-1003
In order to quantify the uncertainty of estimates of the geothermal resource base in identified hydrothermal convection systems, a methodology is presented for combining estimates with uncertainties for temperature, area, and thickness of a geothermal reservoir into an estimate of the stored energy with uncertainty. Probability density functions for temperature,...
A statistical summary and listing of the spectrographic analyses of heavy mineral concentrate and conventional, sieved stream-sediment samples, Silver City area, New Mexico
K. C. Watts, J.R. Hassemer, D. F. Siems, J. M. Nishi
1978, Open-File Report 78-801
Geochemical sampling of a tier of eight 7 1/2-minute quadrangles bordered by latitudes 32° 45'and 33° 00' N. and longitudes 108° 00' and 108° 30' W. was begun in the fall of 1974 and continued seasonally until completion in the fall of 1976. These quadrangles are in southwest New Mexico...
Backwater at bridges and densely wooded flood plains, Bogue Chitto near Summit, Mississippi
B.E. Colson, C. O. Ming, George J. Arcement
1978, Hydrologic Atlas 592
New techniques for predicting water-surface profiles, needed in the design of economical, structurally sound, and environmentally compatible stream crossings, are under investigation.  The investigation has accelerated with the advent of digital computers capable of analyzing large quatities of data.  Among the techniques is the development of two-dimensional (2-D) digital models....