@misc{indiciae67ca9f5ea6ae,
  title = {Coal resource occurrence and coal development potential maps of The Park Quadrangle, Converse County, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79479},
  url = {https://pubs.usgs.gov/publication/ofr79479},
  note = {Source identifier: ofr79479}
}