@misc{indiciae162fcaeef543,
  title = {Coal resource occurrence and coal development potential maps of the Bay Horse quadrangle, Powder River County, Montana, and Campbell County, Wyoming},
  author = {Colorado School of Mines Research Institute},
  year = {1979},
  doi = {10.3133/ofr79782},
  url = {https://pubs.usgs.gov/publication/ofr79782},
  note = {Source identifier: ofr79782}
}