@misc{indiciae956dcbbe26a0,
  title = {Preliminary geologic map of the north half of the Craig quadrangle, Moffat County, Colorado},
  author = {Paul K. Theobald},
  year = {1970},
  doi = {10.3133/ofr70322},
  url = {https://pubs.usgs.gov/publication/ofr70322},
  note = {Source identifier: ofr70322}
}