@misc{indiciae404f7e8a88f4,
  title = {Geologic map of the Tennessee Pass area, Eagle and Lake counties, Colorado},
  author = {Ogden Tweto},
  year = {1956},
  doi = {10.3133/mf34},
  url = {https://pubs.usgs.gov/publication/mf34},
  note = {Source identifier: mf34}
}