@misc{indiciae9a7413281ee4,
  title = {Coal resource occurrence and coal development potential maps of the Tongue River Dam quadrangle, Big Horn and Rosebud Counties, Montana},
  author = {Colorado School of Mines Research Institute},
  year = {1979},
  doi = {10.3133/ofr79780},
  url = {https://pubs.usgs.gov/publication/ofr79780},
  note = {Source identifier: ofr79780}
}