@misc{indiciae24d55a7a5c63,
  title = {Geologic map and coal sections of the Thornburgh Quadrangle, Moffat and Rio Blanco counties, Colorado},
  author = {Marith C. Reheis},
  year = {1980},
  doi = {10.3133/ofr80251},
  url = {https://pubs.usgs.gov/publication/ofr80251},
  note = {Source identifier: ofr80251}
}