@misc{indiciaea4db8b0e85f5,
  title = {Coal resource occurrence and coal development potential maps of the Parkerton Quadrangle, Converse County, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79475},
  url = {https://pubs.usgs.gov/publication/ofr79475},
  note = {Source identifier: ofr79475}
}