TY - RPRT TI - Photogeologic and reconnaissance geologic map of the Big Hill Quadrangle, Custer County, Montana AU - S. J. Luft AU - R. B. Colton AU - G.P. Cormier PY - 1984 DO - 10.3133/mf1679 UR - https://pubs.usgs.gov/publication/mf1679 ID - mf1679 ER -