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Airborne Reconnaissance Project, Ruby Range and Sweetwater Basin, Montana

Description: Abstract: A low-level airborne radioactivity survey of parts of Beaverhead and Madison Counties in southwestern Montana was undertaken from June 6 to October 14, 1955. Flying centered around the Ruby Range-Sweetwater Basin area and concentrated on the Precambrian metamorphic complex and Tertiary lake-bed sediments. No commercial uranium deposits were discovered, and no extensions were found of the few known small occurrences. Five areas of high background detected through the survey were invest… more
Date: April 1958
Creator: Pruitt, Robert G., Jr. & Magleby, Dan N.
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Mineral Resources of the Blacktail Mountains Wilderness Study Area, Beaverhead County, Montana

Description: From summary:A mineral resource survey of a 10,610-acre part of the Blacktail Mountains Wilderness Study Area (MT-076- 002) was conducted in 1984-85. Identified subeconomic resources of barite exist in the area at the northernmost boundary, and a zone partly within the area along the northeastern boundary has a moderate mineral resource potential for silver and barite, and associated gold, copper, lead, and zinc. No producing mines occur in or adjacent to the area. The area lies within a region… more
Date: 1987
Creator: Tysdal, Russell G.; Lee, Gregory K.; Hassemer, Jerry H.; Hanna, W. F. & Benham, J. R.
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Mineral Resources of the Farlin Creek Wilderness Study Area, Beaverhead County, Montana

Description: Abstract: The Farlin Creek Wilderness Study Area (MT-076-034) is in the south-central Pioneer Mountains about 24 miles west-northwest of Dillon, Beaverhead County, southwestern Montana. At the request of the U.S. Bureau of Land Management, an area of 610 acres (less than 1 square mile) was investigated by the U.S. Geological Survey and the U.S. Bureau of Mines in 1984. The area contains no mines or prospects, no visible evidence of mineralization, and no identified mineral resources. Geophysica… more
Date: 1987
Creator: Pearson, Robert Carl; Hassemer, Jerry H.; Hanna, William F.; Hoover, Donald B.; Pierce, Herbert A. & Schmauch, Steven W.
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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.
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