@misc{indiciaee3267ff91aaa,
  title = {Photogeologic map, Navajo Mountain-15 quadrangle, San Juan County, Utah and Navajo County, Arizona},
  author = {R.J. Hackman},
  year = {1956},
  doi = {10.3133/tem935},
  url = {https://pubs.usgs.gov/publication/tem935},
  note = {Source identifier: tem935}
}