TY - RPRT TI - Progress report on geochemistry of the Butte 1 degree x 2 degrees Quadrangle, Montana AU - J.C. Antweiler AU - W. L. Campbell PY - 1982 DO - 10.3133/ofr82620 UR - https://pubs.usgs.gov/publication/ofr82620 ID - ofr82620 ER -