TY - RPRT TI - Map showing areas with potential for talc deposits in the Gravelly, Greenhorn, and Ruby Ranges and the Henrys Lake Mountains of southwestern Montana AU - Bradley S. Van Gosen AU - Richard B. Berg AU - Jane M. Hammarstrom PY - 1998 DO - 10.3133/ofr98224b UR - https://pubs.usgs.gov/publication/ofr98224B ID - ofr98224B ER -