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Page 969, results 24201 - 24225

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Not all publications have extents, not all extents are completely accurate
Computer routines for probability distributions, random numbers, and related functions
W.H. Kirby
1980, Open-File Report 80-448
Use of previously codes and tested subroutines simplifies and speeds up program development and testing. This report presents routines that can be used to calculate various probability distributions and other functions of importance in statistical hydrology. The routines are designed as general-purpose Fortran subroutines and functions to be called from...
Hydrologic data from upper Grange Hall Creek basin, Northglenn, Adams County, Colorado
Dennis C. Hall, A.C. Duncan
1980, Open-File Report 80-578
Hydrologic data collected during 1977-79 as part of a water-resources investigation of storm runoff in Upper Grange Hall Creek basin, Adams County, Colo., are presented in this report. Data presented in tabular form consist of: (1) Estimated daily precipitation at one site (April through October, 1978 and 1979); (2) mean...
Minisparker profiles from Jeffreys Ledge and adjacent areas in the western Gulf of Maine
Diane M. Eskenasy, Norman G. Bailey
1980, Open-File Report 80-320
A total of 250 kilometers of single-channel seismic-reflection data (28 minisparker profiles) were collected in the coastal waters of Massachusetts, north of and immediately south of Cape Ann, and on the western flank of Jeffreys Ledge, western Gulf of Maine, during the September 1978 cruise of the R/V ASTERIAS. The...
Preliminary report on the hydrogeology of a low-level radioactive waste disposal site near Sheffield, Illinois
J.B. Foster, J.R. Erickson
1980, Open-File Report 79-1545
The Sheffield low-level radioactive-waste disposal site is located on 20 acres of rolling terrain about 3 miles southwest of Sheffield, Illinois. Twenty-one trenches were constructed and filled with radioactive waste from August 1967 through April 1978. Forty-three test wells were installed by the U.S. Geological Survey on and adjacent to...
Technique for estimating magnitude and frequency of floods in Maryland
David H. Carpenter
1980, Open-File Report 80-1016
A method is presented for estimating flood magnitudes for natural drainage basins without urban development or regulated flow. The method was developed by multiple-regression techniques and applies to floods with recurrence intervals from 2 to 100 years.The State is divided into three regions, and sets of equations for calculating peak...
A computer program for simulating geohydrologic systems in three dimensions
D.R. Posson, G. A. Hearne, J.V. Tracy, P. F. Frenzel
1980, Open-File Report 80-421
This document is directed toward individuals who wish to use a computer program to simulate ground-water flow in three dimensions. The strongly implicit procedure (SIP) numerical method is used to solve the set of simultaneous equations. New data processing techniques and program input and output options are emphasized. The quifer...
Hole-to-surface resistivity measurements at Salt Valley, Utah
Jeffrey J. Daniels, James H. Scott
1980, Open-File Report 80-981
Evaporites are an important potential medium for the storage of radioactive wastes. In order to ascertain the viability of a proposed waste isolation site, it is necessary to study its geology without extensive drilling that might destroy its structural integrity. Hole-to-surface and hole-to-hole geophysical measurements can be useful in supplementing...
Metallogenic and tectonic significance of oxygen isotope data and whole-rock potassium-argon ages of the Nikolai Greenstone, McCarthy Quadrangle, Alaska
M.L. Silberman, E.M. MacKevett Jr., C. L. Connor, Alan Matthews
1980, Open-File Report 80-2019
The Middle and (or) Late Triassic Nikolai Greenstone, part of the allochthonous terrane of Wrangellia, is typically altered and locally metamorphosed to prehnite-pumpellyite facies with chlorite and epidote as the most common secondary minerals. Intrinsic copper content averages 155 ppm, and two types of concentrations of copper in the Nikolai...
Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska
Edward Huntington Cobb
1980, Open-File Report 80-909
These summaries of data on metallic and selected nonmetallic mineral occurrences and lists of selected references to them in Geological Survey, U.S. Bureau of Mines, and State of Alaska Division of Geological and Geophysical Surveys (and predecessor State and Territorial agencies) reports and maps released before Jan. 1, 1980, and...
Flood potential of Topopah Wash and tributaries, eastern part of Jackass Flats, Nevada Test Site, southern Nevada
Rulon C. Christensen, Norman E. Spahr
1980, Open-File Report 80-963
Guidelines for the evaluation of potential surface facilities for the storage of high-level radioactive wastes on the Nevada Test Site in southern Nevada include the consideration of the potential for flooding. Those floods that are considered to constitute the principal flood hazards for these facilities are the 100- and 500-year...