TY  - RPRT
TI  - Coal resource occurrence and coal development potential maps of the Fourmile Creek Quadrangle, Custer County, Montana
AU  - Colorado School of Mines Research Institute
PY  - 1978
DO  - 10.3133/ofr78640
UR  - https://pubs.usgs.gov/publication/ofr78640
ID  - ofr78640
ER  -