@misc{indiciae1e213516d535,
  title = {Coal resource occurrence and coal development potential maps of the northwest quarter of Betty Reservoir 15' quadrangle, Converse and Campbell counties, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79318},
  url = {https://pubs.usgs.gov/publication/ofr79318},
  note = {Source identifier: ofr79318}
}