@misc{indiciaeb9bf856c6478,
  title = {Photogeologic map, Mount Peale 8, Montrose County, Colorado and San Juan County, Utah},
  author = {R.J. Hackman},
  year = {1953},
  doi = {10.3133/ofr5393},
  url = {https://pubs.usgs.gov/publication/ofr5393},
  note = {Source identifier: ofr5393}
}