@misc{indiciae94281de39034,
  title = {Photogeologic map of Mount Peale-10 quadrangle, San Juan County, Utah},
  author = {R.J. Hackman},
  year = {1956},
  doi = {10.3133/i158},
  url = {https://pubs.usgs.gov/publication/i158},
  note = {Source identifier: i158}
}