@misc{indiciae56c438b7d01a,
  title = {Coal resource occurrence and coal development potential maps of the Coalmont Quadrangle, Jackson County, Colorado},
  author = {AAA Engineering and Drafting Inc.},
  year = {1979},
  doi = {10.3133/ofr791417},
  url = {https://pubs.usgs.gov/publication/ofr791417},
  note = {Source identifier: ofr791417}
}