@misc{indiciae0dbc21523d22,
  title = {Federal coal resource occurrence and federal coal development potential maps of the Spiro 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/ofr79496},
  url = {https://pubs.usgs.gov/publication/ofr79496},
  note = {Source identifier: ofr79496}
}