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Page 5279, results 131951 - 131975

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Digital colored residual and regional Bouguer gravity maps of the conterminous United States: Comments on significant features
T.G. Hildenbrand, R.W. Simpson, R. H. Godson, M. F. Kane
1982, Open-File Report 82-284
The gravity maps were prepared from data obtained primarily from data files maintained by the Defense Mapping Agency of the Department of Defense and the Canadian Gravity Data Centre of the Earth Physics Branch of the Department of Energy, Mines, and Resources (Canada). The maps have been used in studies...
Method for estimating historical irrigation requirements from ground water in the High Plains in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming
Frederick J. Heimes, Richard R. Luckey
1982, Water-Resources Investigations Report 82-40
Historical information on ground-water pumpage for irrigation is required for use with a computer model of the High Plains aquifer. Available historical data on ground-water pumpage in the High Plains were inadequate for use with the computer model. Consequently, a method was developed to estimate historical pumpage data.Two principal components...
Water information for northwestern Missouri: A planning document
John Skelton, Edward Joseph Harvey, Don E. Miller
1982, Water-Resources Investigations Report 82-27
Water supplies are limited in much of northwestern Missouri, and water-resources data also are limited. This report presents a summary of hydrologic data and an evaluation of areas where additional hydrologic data are needed to provide a data base suitable for use in making decisions regarding future water development.The largest...
SEISRISK II; a computer program for seismic hazard estimation
Bernice Bender, D. M. Perkins
1982, Open-File Report 82-293
The computer program SEISRISK II calculates probabilistic ground motion values for use in seismic hazard mapping. SEISRISK II employs a model that allows earthquakes to occur as points within source zones and as finite-length ruptures along faults. It assumes that earthquake occurrences have a Poisson distribution, that occurrence rates remain...
Water-level records for the northern High Plains of Colorado, 1978-82
J.L. Blattner, B.D. Rasmuson
1982, Open-File Report 82-573
Water-level measurements were made in 674 wells during the winter of 1981-82 in the northern High Plains of Colorado. The water-level measurements for the winter of 1981-82 and the four preceding winters are given in a table. This table also contains the location, depth, land-surface elevation, and the aquifer of...