@misc{indiciae6dfee3b5b292,
  title = {Coal resource occurrence and coal development potential maps of the southwest quarter of the Betty Reservoir 15-minute quadrangle, Converse County, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79452},
  url = {https://pubs.usgs.gov/publication/ofr79452},
  note = {Source identifier: ofr79452}
}