Technical Report Archive & Image Library (TRAIL) - 21 Matching Results

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Geology and Mineral Deposits of the St. Regis-Superior Area, Mineral County, Montana

Description: From introduction: The St. Regis-Superior area was studied during the summers of 1953 and 1954 as a part of geologic investigations by the U.S. Geologic Survey in and near the Coeur d'Alene district. The object of the present work was primarily threefold: to ascertain the main structural features in the area, with particular attention to the Osburn fault zone; to investigate the mineral deposits; and to determine the stratigraphic relations of the rocks.
Date: 1960
Creator: Campbell, Arthur Byron
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Tungsten Resources of Montana: Deposits of the Mount Torrey Batholith, Beaverhead County

Description: Report issued by the Bureau of Mines over the tungsten deposits on Beaverhead County, Montana. As stated in the introduction, "this report presents information obtained from July 1955 to September 1957 on tungsten deposits in and near the Mount Torrey batholith" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: 1960
Creator: Pattee, Eldon C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Bentonite Deposits of the Northern Black Hills District Wyoming, Montana, and South Dakota

Description: From abstract: The northern Black Hills bentonite mining district includes parts of Crook County, Wyo., Carter County, Mont., and Butte County, S. Dak. Within this district, many beds of bentonite occur interspersed with sedimentary strata of Cretaceous age that have an average total thickness of about 3,000 feet and consist chiefly of marine shale, marl, and argillaceous sandstone. The bentonite beds occur in formations ranging upward from the Newcastle sandstone to the lower part of the Mitte… more
Date: 1962
Creator: Knechtel, Maxwell M. & Patterson, Sam H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Geology of the Clark Fork Quadrangle Idaho-Montana

Description: A report about the Clark Fork quadrangle which is underlain by more than 38,000 feet of low-grade metasedimentary rocks of the Precambrian Belt series. The quadrangle has both metallic and nonmetallic mineral deposits of considerable value.
Date: 1963
Creator: Harrison, J. E. & Jobin, D. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Iron and Steel Scrap in the Pacific Northwest

Description: Report issued by the U.S. Bureau of Mines discussing the iron and steel scrap industry in the Pacific Northwest. As stated in the introduction, "this report surveys the supply and consumption of iron and steel scrap in the Pacific Northwest, with emphasis on Oregon and Washington" (p. 2). This report includes maps, tables, illustrations
Date: 1964
Creator: Kingston, Gary A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Mineral Resources of Upper Missouri River Basin, Montana: Fort Peck Reservoir to Morony Dam

Description: Report issued by the Bureau of Mines discussing the minerals produced in the Missouri River Basin of Montana. The mineral resources of the area are investigated, analyzed, and presented. This report includes tables, maps, and illustrations.
Date: 1964
Creator: Hubbard, C. R.; Roby, Robert N.; Henkes, W. C. & Biggs, P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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USAEC Airborne Radiometric Reconnaissance in Arkansas, Colorado, Montana, Texas and Utah, 1952 to 1955

Description: From introduction: This is one of a series of three reports on airborne radioactivity surveys in the United States. The reports contain the 185 airborne anomaly maps issued by the U. S. Atomic Energy Commission as a result of the AEC's aerial surveying program conducted from March 1952 to June 1956; two ground reconnaissance maps of Utah also are included. Most of the reconnaissance was done in the western United States.
Date: August 1966
Creator: U.S. Atomic Energy Commission. Grand Junction Office.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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