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Page 368, results 9176 - 9200

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Publication Extents

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Volcano hazards at Newberry Volcano, Oregon
David R. Sherrod, Larry G. Mastin, William E. Scott, Steven P. Schilling
1997, Open-File Report 97-513
Newberry volcano is a broad shield volcano located in central Oregon. It has been built by thousands of eruptions, beginning about 600,000 years ago. At least 25 vents on the flanks and summit have been active during several eruptive episodes of the past 10,000 years. The most recent eruption 1,300...
Coal availability in the Hilight Quadrangle, Powder River Basin, Wyoming; a prototype study in a western coal field
Carol L. Molnia, Laura Biewick, Dorsey Blake, Susan J. Tewalt, M. Devereaux Carter, Charlie Gaskill
1997, Open-File Report 97-469
The U.S. Geological Survey (USGS), in cooperation with the Bureau of Land Management (BLM), Geological Survey of Wyoming, and U.S. Bureau of Mines (USBM), has produced an estimate of the amount of available coal in an area about 35 miles south of Gillette, Wyo., where the Wyodak coal bed is,...
Transport of diazinon in the San Joaquin River basin, California
Charles R. Kratzer
1997, Open-File Report 97-411
Most of the application of the organophosphate insecticide diazinon in the San Joaquin River Basin occurs in winter to control wood boring insects in dormant almond orchards. A federal-state collaborative study found that diazinon accounted for most of the observed toxicity of San Joaquin River water to water fleas in...
Field guide for collecting samples for analysis of volatile organic compounds in stream water for the National Water-Quality Assessment Program
Larry R. Shelton
1997, Open-File Report 97-401
For many years, stream samples for analysis of volatile organic compounds have been collected without specific guidelines or a sampler designed to avoid analyte loss. In 1996, the U.S. Geological Survey's National Water-Quality Assessment Program began aggressively monitoring urban stream-water for volatile organic compounds. To assure representative samples and consistency...