@misc{indiciaeff3fa1a2fac3,
  title = {Photogeologic map of Mount Peale 11 quadrangle, San Juan County, Utah},
  author = {R.J. Hackman},
  year = {1953},
  doi = {10.3133/ofr53102},
  url = {https://pubs.usgs.gov/publication/ofr53102},
  note = {Source identifier: ofr53102}
}