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 https://doi.org/10.3133/ofr98224B
Description Geologic data supporting mineral resource assessment
Originators Van Gosen, Bradley S., Berg, Richard B., Hammarstrom, Jane M.
Publication U.S. Geological Survey Open-File Report 98-224-B

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