@misc{indiciae846e02500397,
  title = {Photogeologic map of Mount Peale-11 quadrangle, San Juan County, Utah},
  author = {R.J. Hackman and G.E. Tolbert},
  year = {1956},
  doi = {10.3133/i159},
  url = {https://pubs.usgs.gov/publication/i159},
  note = {Source identifier: i159}
}