@misc{indiciae38d6b7474923,
  title = {Coal resource occurrence and coal development potential maps of the Lost Springs Quadrangle, Converse and Niobrara counties, Wyoming},
  author = {IntraSearch Inc.},
  year = {1979},
  doi = {10.3133/ofr79480},
  url = {https://pubs.usgs.gov/publication/ofr79480},
  note = {Source identifier: ofr79480}
}