@misc{indiciae74b2f3bca191,
  title = {Coal resource occurrence and coal development potential maps of the Nipple Quadrangle, Johnson and Campbell counties, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79179},
  url = {https://pubs.usgs.gov/publication/ofr79179},
  note = {Source identifier: ofr79179}
}