@misc{indiciaeb1c6b3549245,
  title = {Photogeologic map, Mount Peale 6 quadrangle, San Juan County, Utah},
  author = {G.E. Tolbert and R.J. Hackman},
  year = {1953},
  doi = {10.3133/ofr53256},
  url = {https://pubs.usgs.gov/publication/ofr53256},
  note = {Source identifier: ofr53256}
}