@misc{indiciae03cff1c0d118,
  title = {Geologic map of the Hells Canyon quadrangle, Moffat County, Colorado},
  author = {Wallace R. Hansen and Peter D. Rowley},
  year = {1980},
  doi = {10.3133/gq1536},
  url = {https://pubs.usgs.gov/publication/gq1536},
  note = {Source identifier: gq1536}
}