@misc{indiciae3a04106e5a86,
  title = {Geology of the Carbondale coal mining area, Garfield and Pitkin Counties, Colorado, as related to subsurface hydraulic mining potential},
  author = {Bion H. Kent and Harold H. Arndt},
  year = {1980},
  doi = {10.3133/ofr80709},
  url = {https://pubs.usgs.gov/publication/ofr80709},
  note = {Source identifier: ofr80709}
}