@misc{indiciae9590f3215f85, title = {Federal coal resource occurrence and federal coal development potential maps of the Panama 7.5-minute quadrangle, Le Flore County, Oklahoma}, author = {Geological Services of Tulsa and B. T. Brady and J. L. Querry}, year = {1985}, doi = {10.3133/ofr79495}, url = {https://pubs.usgs.gov/publication/ofr79495}, note = {Source identifier: ofr79495} }