TY  - RPRT
TI  - Coal resource occurrence and coal development potential maps of the Sarpy School quadrangle, Big Horn, Rosebud, and Treasure Counties, Montana
AU  - Colorado School of Mines Research Institute
PY  - 1979
DO  - 10.3133/ofr7918
UR  - https://pubs.usgs.gov/publication/ofr7918
ID  - ofr7918
ER  -