TY - RPRT TI - Wet Mountain thorium investigations, 1952-1954, Fremont and Custer Counties, Colorado AU - Robert Adam Christman AU - M. R. Brock AU - R. C. Pearson AU - Q. D. Singewald PY - 1955 DO - 10.3133/ofr5527 UR - https://pubs.usgs.gov/publication/ofr5527 ID - ofr5527 ER -