@misc{indiciaef5f04482ea2e,
  title = {Coal resource occurrence and coal development potential maps of the Minnehaha Creek South Quadrangle, Treasure and Big Horn counties, Montana},
  author = {Colorado School of Mines Research Institute},
  year = {1978},
  doi = {10.3133/ofr78833},
  url = {https://pubs.usgs.gov/publication/ofr78833},
  note = {Source identifier: ofr78833}
}