TY  - RPRT
TI  - Petroleum potential of wilderness lands, Montana
AU  - W. J. Perry
AU  - D. D. Rice
AU  - E. K. Maughan
PY  - 1982
DO  - 10.3133/i1541
UR  - https://pubs.usgs.gov/publication/i1541
ID  - i1541
ER  -