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Publication Extents

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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...
High-resolution seismic-reflection profiles from the R/V Columbus Iselin, cruise CI 7-78-2, over the continental shelf and slope in the Georges Bank area
Norman G. Bailey, John M. Aaron
1982, Open-File Report 82-607
In September 1978, the U. S. Geological Survey (USGS) collected 5,029 km of single-channel seismic-reflection data from the Georges Bank area of the Atlantic Continental Shelf and Slope during the R/V COLUMBUS ISELIN cruise CI 7-78-2. The purpose of the cruise was to determine the location and frequency of mass...
Hydrologic data collected in and around a surface coal mine, Clay and Vigo counties, Indiana, 1977-80
Linda L. Bobo, Stephen E. Eikenberry
1982, Open-File Report 82-639
Few data are available for evaluating water-quality and other hydrologic properties in and around surface coal mines, particularly in areas where material having a high potential for acid-production is selectively buried. This report contains hydrologic data collected in an active coal mining area in Clay and Vigo Counties, Indiana, from...
Drainage areas of surface water bodies of eastern Maine coastal river basins
Richard A. Fontaine
1982, Open-File Report 78-556-H
The report contains drainage-area values for: lakes and ponds included in the MIDAS (Maine Informational Display Analysis System) File 906-Z, streams that drain an area greater than 25 square miles, dam sites, and locations where hydrologic data are available. Supplemental information includes State and Federal location systems used to identify...
Lode gold and silver occurrences in Alaska
Edward H. Cobb
1982, Open-File Report 82-406
The following references give data, as of September 1, 1981, on localities where lode gold or silver has been found and are keyed to locations shown on the accompanying map. An asterisk (*) preceding a locality name indicates recorded production. In most instances the report(s) cited for each occurrence is...
Temperatures and interval geothermal-gradient determinations from wells in National Petroleum Reserve in Alaska
D.C. Blanchard, I.L. Tailleur
1982, Open-File Report 82-391
Temperature and related records from 28 wells in the National Petroleum Reserve in Alaska (NPRA) although somewhat constrained from accuracy by data gathering methods, extrapolate to undisturbed formation temperatures at specific depths below permafrost, and lead to calculated geothermal gradients between these depths. Tabulation of the results show that extrapolated...
Depositional history of Louisiana-Mississippi outer continental shelf
J. L. Kindinger, R. J. Miller, C. E. Stelting
1982, Open-File Report 82-1077
A geological study was undertaken in 1981 in the Louisiana-Mississippi outer continental shelf for the Bureau of Land Management. The study included a high-resolution seismic reflection survey, surficial sediment sampling and surface current drifter sampling. Approximately 7100 sq km of the Louisiana-Mississippi shelf and upper slope were surveyed. The sea...
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: January 1982
John B. Townshend, J.E. Papp, E.A. Sauter, L.Y. Torrence
1982, Open-File Report 82-300-A
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory;...
Reconnaissance geologic map of south-central Misheguk Mountain Quadrangle, Alaska
Inyo Ellersieck, S.M. Curtis, C.F. Mayfield, I.L. Tailleur
1982, Open-File Report 82-612
This map is one of a series of three reconnaissance geologic maps of the southern Misheguk Mountain quadrangle (fig. 1). Because the geology in all three map areas is similar, a composite map explanation has been designed to facilitate their combined use and provide the reader with a better perspective...
A stormwater management model for the West Branch Brandywine Creek, Chester County, Pennsylvania
Ronald A. Sloto
1982, Water-Resources Investigations Report 81-73
Three subbasins in the West Branch Brandywine Creek watershed were modeled by the Dawby, Schaake, and Alley distributed routing rainfall- runoff model. The Honeybrook subbasin could not be calibrated because of nonrepresentative rainfall data. The Coatesville subbasin was calibrated, but not verified; the average standard error of estimate is 34...
Landsat monitoring of albedo changes in northwestern Arizona, 1977-1980
Charles Joseph Robinove
1982, Open-File Report 82-14
As part of a cooperative project between the U.S. Geological Survey and the Bureau of Land Management, changes in albedo (percentage of light reflected from the ground) were calculated and mapped from Landsat images for an area in northwestern Arizona for three periods: August 26, 1977, to September 3, 1979;...