Map showing areas with potential for talc deposits in the Gravelly, Greenhorn, and Ruby ranges and the Henrys Lake Mountains of southwestern Montana

Online link http://pubs.usgs.gov/of/1998/ofr-98-0224-b/
Description Geologic data supporting mineral resource assessment
Originators van Gosen, Bradley S.; Berg, Richard B.; and Hammarstrom, Jane M.
Publication U.S. Geological Survey Open-File Report 98-224-B

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