@misc{indiciaef26e42577048,
  title = {Coal resource occurrence and coal development potential maps of the Mellen Hill Quadrangle, Rio Blanco and Moffat counties, Colorado},
  author = {AAA Engineering and Drafting Inc.},
  year = {1979},
  doi = {10.3133/ofr791420},
  url = {https://pubs.usgs.gov/publication/ofr791420},
  note = {Source identifier: ofr791420}
}