@misc{indiciae69d7e479ff64,
  title = {Geologic reconnaissance map of the Log Hill Mesa area, Ouray, Montrose, and San Miguel counties, Colorado},
  author = {William James Hail},
  year = {1976},
  doi = {10.3133/ofr7668},
  url = {https://pubs.usgs.gov/publication/ofr7668},
  note = {Source identifier: ofr7668}
}