TY  - RPRT
TI  - Coal resource occurrence and coal development potential maps of the Bear Skull Mountain quadrangle, Powder River County, Montana
AU  - Colorado School of Mines Research Institute
PY  - 1979
DO  - 10.3133/ofr79783
UR  - https://pubs.usgs.gov/publication/ofr79783
ID  - ofr79783
ER  -