@misc{indiciae54d1bf99774c,
  title = {Coal resource occurrence and coal development potential maps of the Cooper Ridge NE quadrangle, Sweetwater County, Wyoming},
  author = {Walter Danilchik},
  year = {1978},
  doi = {10.3133/ofr7833},
  url = {https://pubs.usgs.gov/publication/ofr7833},
  note = {Source identifier: ofr7833}
}