@misc{indiciaeca366198dc74,
  title = {Coal resource occurrence and coal development potential maps of the Hayden Quadrangle, Routt County, Colorado},
  author = {Dames \& Moore},
  year = {1979},
  doi = {10.3133/ofr79825},
  url = {https://pubs.usgs.gov/publication/ofr79825},
  note = {Source identifier: ofr79825}
}