@misc{indiciaee2f64beeef8f,
  title = {Coal resource occurrence and coal development potential maps of the Esau Spring quadrangle, Converse County, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79454},
  url = {https://pubs.usgs.gov/publication/ofr79454},
  note = {Source identifier: ofr79454}
}