TY - RPRT TI - Preliminary reconnaissance geologic map of the Copper Mountain Quadrangle, Lemhi County, Idaho AU - G. F. Embree AU - R. D. Hoggan AU - E.J. William PY - 1983 DO - 10.3133/ofr83599 UR - https://pubs.usgs.gov/publication/ofr83599 ID - ofr83599 ER -