@misc{indiciaec7aee60c17e9, title = {Coal resource occurrence and coal development potential maps of the Bloom Creek quadrangle, Powder River County, Montana}, author = {Colorado School of Mines Research Institute}, year = {1979}, doi = {10.3133/ofr79776}, url = {https://pubs.usgs.gov/publication/ofr79776}, note = {Source identifier: ofr79776} }