@misc{indiciae79ba007b1353,
  title = {Selected references on the geology of the Yampa coal field and Sand Wash Basin, Moffat, Routt, and Rio Blanco counties, Colorado},
  author = {E. A. Johnson and Michael E. Brownfield},
  year = {1984},
  doi = {10.3133/ofr84769},
  url = {https://pubs.usgs.gov/publication/ofr84769},
  note = {Source identifier: ofr84769}
}