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165901 results.

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Page 6373, results 159301 - 159325

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Publication Extents

Not all publications have extents, not all extents are completely accurate
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 Limestone Hills, Broadwater County, Montana
Edward Thompson Ruppel
1950, Open-File Report 50-14
The Limestone Hills, a natural topographic unit having an area of about 16 square miles, are situated a few miles west and southwest of Townsend, Broadwater County, Montana. They are composed of pre-Cambrian, Paleozoic, and Mesozoic sedimentary rocks i...
Lead and zinc deposits of the Beetown area, Wisconsin
Allen Van Heyl Jr., Erwin J. Lyons, John J. Theiler
1950, Open-File Report 50-39
The Beetown area, in Grant County, Wisconsin, in the Northwestern part of the Upper Mississippi Valley zinc-lead district, lies in the western part of T. 4 N., R. 4 W., and the eastern part of T. 4 N., R. 5 W. The village of Beetown is at about its center.Recent...
Gypsiferous deposits on Sheep Mountain, Alaska
Richard A. Eckhart
1950, Open-File Report 51-62
Gypsiferous deposits occur on the south side of Sheep fountain, 112 miles northeast of Anchorage via the Glenn Highway. Sheep Mountain is a high east trending, ridge, approximately 10 miles long and 3 miles wide. It is bordered on the west by Caribou Creek and on the east by Tahneta...
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....
Structural geology of the Terlingua quicksilver district, Texas
George Albert Thompson Jr.
1950, Open-File Report 50-9
Geologic mapping, supplemented by detailed investigations at the mines, has revealed new information about the geologic structure of the Terlingua quicksilver district, Texas. Attention is focused on the nature and origin of domes, grabens, and breccia pipes, structures that are unusually well developed in the area. The sedimentary rocks, of...