@misc{indiciae950f37a6681a,
  title = {Coal resource occurrence and coal development potential maps of the Sand Butte Rim NW Quadrangle, Sweetwater County, Wyoming},
  author = {Walter Danilchik},
  year = {1978},
  doi = {10.3133/ofr7834},
  url = {https://pubs.usgs.gov/publication/ofr7834},
  note = {Source identifier: ofr7834}
}