@misc{indiciae89de21d1363e,
  title = {Geology of the Engineer Pass to Cinnamon Pass Loop, west of Lake City, San Juan Mountains, Colorado},
  author = {Anna B. Wilson and Marc D. Woodard},
  year = {1999},
  doi = {10.3133/ofr99133},
  url = {https://pubs.usgs.gov/publication/ofr99133},
  note = {Source identifier: ofr99133}
}