@misc{indiciae1ad9679ab95b,
  title = {Photogeologic map, Navajo Mountain-13 quadrangle, San Juan and Kane counties, Utah, and Coconino county, Arizona},
  author = {R.J. Hackman},
  year = {1953},
  doi = {10.3133/tem526a},
  url = {https://pubs.usgs.gov/publication/tem526A},
  note = {Source identifier: tem526A}
}