@misc{indiciae627aaf5f6ef3,
  title = {Coal resource occurrence and coal development potential maps of the Pillar Quadrangle, San Juan County, New Mexico},
  author = {Dames \& Moore},
  year = {1979},
  doi = {10.3133/ofr79804},
  url = {https://pubs.usgs.gov/publication/ofr79804},
  note = {Source identifier: ofr79804}
}