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Page 4567, results 114151 - 114175

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Investigation of ethylene dibromide (EDB) in ground water in Seminole County, Georgia
James B. McConnell, D.W. Hicks, L. E. Lowe, S.Z. Cohen, A.P. Jovanovich
1984, Circular 933
An investigation of ground water in Seminole County, Georgia, for ethylene dibromide (EDB) was conducted in August 1983 by the U.S. Geological Survey in cooperation with the Exposure Assessment Branch of the U.S. Environmental Protection Agency. The purpose of the investigation was to determine whether EDB, which was previously detected...
Phosphate rock resources of the United States
James Bachelder Cathcart, Richard Porter Sheldon, Robert A. Gulbrandsen
1984, Circular 888
In 1980, the United States produced about 54 million tons of phosphate rock, or about 40 percent of the world's production, of which a substantial amount was exported, both as phosphate rock and as chemical fertilizer. During the last decade, predictions have been made that easily ruinable, low-cost reserves of...
The Conterminous United States Mineral Appraisal Program; background information to accompany folio of geologic, geochemical, geophysical, and mineral resources maps of the Walker Lake 1 degree x 2 degrees Quadrangle, California and Nevada
John Harris Stewart, M.A. Chaffee, J. C. Dohrenwend, D. A. John, R. W. Kistler, F. J. Kleinhampl, W. D. Menzie, Donald Plouff, L. C. Rowan, Norman J. Silberling
1984, Circular 927
The Walker Lake 1? by 2? quadrangle in eastern California and western Nevada was studied by an interdisciplinary research team to appraise its mineral resources. The appraisal is based on geological, geochemical, and geophysical field and laboratory investigations, the results of which are published as a folio of maps, figures,...
Comparison of computer-based and manual coal resource estimation methods for the Cache coal bed, Recluse Geologic Model Area, Wyoming
Gary B. Schneider, Sharon S. Crowley, Mary Alice Carey
1984, Circular 917
Coal resources have been estimated, using both manual and computer methods, for the Cache coal bed in the Recluse Geologic Model Area, which covers the White Tail Butte, Pitch Draw, Recluse, and Homestead Draw SW 7?-minute quadrangles in Campbell County, Wyoming. Approximately 300 coal thickness measurements from drill-hole logs are...
Discharge ratings at gaging stations
E.J. Kennedy
1984, Techniques of Water-Resources Investigations 03-A10
A discharge rating is the relation of the discharge at a gaging station to stage and sometimes also to other variables. This chapter of 'Techniques of Water-Resources Investigations' describes the procedures commonly used to develop simple ratings where discharge is related only to stage and the most frequently encountered types...
Computer analysis of digital well logs
James H. Scott
1984, Circular 879
A comprehensive system of computer programs has been developed by the U.S. Geological Survey for analyzing digital well logs. The programs are operational on a minicomputer in a research well-logging truck, making it possible to analyze and replot the logs while at the field site. The minicomputer also serves as...
Floods of October 1977 in southern Arizona and March 1978 in central Arizona
Byron Neil Aldridge, James H. Eychaner
1984, Water Supply Paper 2223
Major floods occurred in October 1977 and March 1978 in Arizona. As much as 14 inches of rain fell during October 6-9, 1977, over the mountains of southern Arizona and northern Mexico resulting in the highest discharge since at least 1892 on the Santa Cruz River upstream from Tucson. The...
Acid precipitation; an annotated bibliography
Denise A. Wiltshire, Margaret L. Evans
1984, Circular 923
This collection of 1660 bibliographies references on the causes and environmental effects of acidic atmospheric deposition was compiled from computerized literature searches of earth-science and chemistry data bases. Categories of information are (1) atmospheric chemistry (gases and aerosols), (2) precipitation chemistry, (3) transport and deposition (wet and dry), (4) aquatic...
Relation of urban land-use and dry-weather, storm, and snowmelt flow characteristics to stream-water quality, Shunganunga Creek basin, Topeka, Kansas
Larry M. Pope, Hugh E. Bevans
1984, Open-File Report 84-750
Overland runoff from urban areas can cause concentrations of some water-quality constituents in local receiving streams to increase. The U.S. Geological Survey in cooperation with the Kansas Department of Health and Environment investigated the water-quality characteristics of streams draining Topeka, Kansas, and adjacent parts of the Shunganunga Creek basin from...
Principal facts for gravity stations in Dixie; Fairview, and Stingaree valleys, Churchill and Pershing counties, Nevada
D. H. Schaefer, J. M. Thomas, B.G. Duffrin
1984, Open-File Report 84-586
During March through July 1979, gravity measurements were made at 300 stations in Dixie Valley, Nevada. In December 1981, 45 additional stations were added--7 in Dixie Valley, 23 in Fairview Valley, and 15 in Stingaree Valley. Most altitudes were determined by using altimeters or topographic maps. The gravity observations were...