@misc{indiciaea94b7870f5f7, title = {Petroleum evaluation of the Bob Marshall Wilderness and adjacent study areas, Lewis and Clark, Teton, Pondera, Flathead, Lake, Missoula, and Powell Counties, Montana}, author = {Dudley D. Rice}, year = {1977}, doi = {10.3133/ofr77542}, url = {https://pubs.usgs.gov/publication/ofr77542}, note = {Source identifier: ofr77542} }