TY - RPRT TI - Geology and mineral resources of the Lemhi Pass thorium district, Idaho and Montana, with a section on description of selected thorium veins AU - M.H. Staatz AU - B. J. Sharp AU - D. L. Hetland PY - 1979 DO - 10.3133/pp1049a UR - https://pubs.usgs.gov/publication/pp1049A ID - pp1049A ER -