@misc{indiciae58354e531863,
  title = {Geologic map of the central part of the northern Park Range, Jackson and Routt Counties, Colorado},
  author = {George L. Snyder},
  year = {1977},
  doi = {10.3133/ofr77187},
  url = {https://pubs.usgs.gov/publication/ofr77187},
  note = {Source identifier: ofr77187}
}