TY  - RPRT
TI  - Petroleum potential of wilderness lands in Montana
AU  - William J. Perry
AU  - Dudley D. Rice
AU  - Edwin K. Maughan
PY  - 1983
DO  - 10.3133/cir902g
UR  - https://pubs.usgs.gov/publication/cir902G
ID  - cir902G
ER  -