@misc{indiciae84d2793e97d7,
  title = {Coal resource occurrence and coal development potential maps of the Bar V Ranch Quadrangle, Big Horn County, Montana},
  author = {Colorado School of Mines Research Institute},
  year = {1979},
  doi = {10.3133/ofr79643},
  url = {https://pubs.usgs.gov/publication/ofr79643},
  note = {Source identifier: ofr79643}
}