@misc{indiciae3b2792412fc8,
  title = {Coal resource occurrence and coal development potential maps of the Miller Creek SW Quadrangle, Custer and Rosebud counties, Montana},
  author = {Colorado School of Mines Research Institute},
  year = {1978},
  doi = {10.3133/ofr78646},
  url = {https://pubs.usgs.gov/publication/ofr78646},
  note = {Source identifier: ofr78646}
}