TY  - RPRT
TI  - Photogeologic and reconnaissance geologic map of the Forty Creek Quadrangle, Custer County, Montana
AU  - S. J. Luft
AU  - D.H. Meier
PY  - 1987
DO  - 10.3133/mf1969
UR  - https://pubs.usgs.gov/publication/mf1969
ID  - mf1969
ER  -