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Page 4297, results 107401 - 107425

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Hydrologic and geologic data for the Edwards Aquifer Recharge Zone near Georgetown, Williamson County, Texas, 1986-87
M.E. Dorsey, Diana L. Slagle
1987, Open-File Report 87-691
This report presents a compilation and summary of data related to the interchange of water between the Edwards aquifer and streams, and to the hydraulics of vertical movement of water in the Georgetown Limestone in the Georgetown area of Williamson County. It presents hydrologic, geologic, hydraulic, physical, geophysical, and water-quality...
Interpretation of detailed aerial gamma-ray survey, Jabal Ashirah area, southeastern Arabian Shield, Kingdom of Saudi Arabia
J. S. Duval
1987, Open-File Report 87-599
A detailed aerial gamma-ray spectrometric survey of the Jabal Ashirah area in the southeastern Arabian Shield has been analyzed using computer-classification algorithms. The analysis resulted in maps that show radiometric map units and gamma-ray anomalies indicating the presence of possible concentrations of potassium and uranium. The radiometric-unit map was interpreted...
Plan for the design, development, and implementation, and operation of the National Water Information System
M.D. Edwards
1987, Open-File Report 87-29
The Water Resources Division of the U.S. Geological Survey is developing a National Water Information System (NWIS) that will integrate and replace its existing water data and information systems of the National Water Data Storage and Retrieval System, National Water Data Exchange, National Water-Use Information, and Water Resources Scientific Information...
The floods of May 17-18, 1985 and October 6-7, 1985 in Puerto Rico
Ferdinand Quinones, K. G. Johnson
1987, Open-File Report 87-123
Severe floods occurred in Puerto Rico twice in 1985. During May 15-19, 1985, as much as 25 in. of rainfall produced significant floods along north and north-central basins in the island. A nearly stationary tropical depression affected Puerto Rico during October 5-8, 1985, resulting in 24-hr precipitation totals of as...
Floods in eastern Nebraska and southeastern South Dakota, June 1984
G.B. Engel, R.D. Benson
1987, Open-File Report 87-215
Thunderstorms during 1984 produced significant rainfall and subsequent runoff that caused substantial flooding in eastern Nebraska and southeastern South Dakota. The storms ocurred in rapid succession over the area, and the rain fell on ground that was near saturation from greater-than-normal precipitation during April and May. Flooding ocurred in the...
Geology of the Wadi Ash Shu'bah Quadrangle, Sheet 26 E, Kingdom of Saudi Arabia
James E. Quick, Jeff L. Doebrich
1987, Open-File Report 87-501
The Wadi Ash Shu'bah quadrangle, located in the north-central part of the Arabian Shield, is underlain by nine Precambrian volcano-sedimentary formations and a wide compositional range of Precambrian intrusive rocks. Late Proterozoic to early Paleozoic rocks of the Jibalah Group crop out in the southwestern part of the quadrangle. Paleozoic...
Preprocessor and postprocessor computer programs for a radial-flow finite-element model
A. A. Pucci Jr., D. A. Pope
1987, Open-File Report 87-680
Preprocessing and postprocessing computer programs that enhance the utility of the U.S. Geological Survey radial-flow model have been developed. The preprocessor program: (1) generates a triangular finite element mesh from minimal data input, (2) produces graphical displays and tabulations of data for the mesh , and (3) prepares an input...