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Western Molybdenum Company mine, Chewelah district, Stevens County, Washington
John Roberts Cooper
1950, Open-File Report 50-20
The Western Molybdenum Company mine was opened many years ago to obtain copper. The only production was several cars of crude copper ore shipped during World War I. An unsuccessful attempt to produce molybdenum was made in 1939-1941.The deposit consists of steeply dipping, northeast-striking veins in monzonite and marble, carrying...
Geology of the Dover magnetite district, New Jersey
P.K. Sims
1950, Open-File Report 50-15
This report has been prepared with two purposes in mind - to provide a better understanding of the magnetite deposits of the district and to present detailed petrologic and structural information that will aid in an understanding of the geology of the crystalline Highlands of Jew Jersey and adjacent states....
Ground-water resources of Atascosa County, Texas
Raymond W. Sundstrom, C.R. Follett
1950, Water Supply Paper 1079-C
Atascosa County, Tex., is underlain by water-bearing sands of Tertiary age that furnish water for domestic and stock supplies throughout the county, for the public supply of all except one of the towns and cities in the county, for irrigation in several localities, for drilling oil wells in the central...
Coal resources of Wyoming
Henry L. Berryhill, Donald M. Brown, Andrew Brown, Dorothy A. Taylor
1950, Circular 81
The Antlers aquifer, which consists of as much as 900 feet of friable sandstone, silt, clay, and shale crops out in areas of 1 ,860 square miles and underlies about 4,400 square miles in southeastern Oklahoma. Precipitation ranges from 34 to 50 inches per year across the outcrop area which...
Short routine direct method for the fluorimetric determination of uranium in phosphate rocks
F. S. Grimaldi, Norma S. Guttag
1950, Trace Elements Investigations 134
A short routine direct fluorimetric procedure for the determination of up to 0.06 percent uranium in phosphate ricks is described. The procedure employs a simple acid leach for preparing the solution, and the uranium is determined directly on a 1.8-mg aliquot. The results obtained by using this simply procedure on...