@misc{indiciae307608573e2b,
  title = {Coal resource occurrence and coal development potential maps of the Iron Springs Quadrangle, Moffat County, Colorado},
  author = {Dames \& Moore},
  year = {1979},
  doi = {10.3133/ofr79816},
  url = {https://pubs.usgs.gov/publication/ofr79816},
  note = {Source identifier: ofr79816}
}