@misc{indiciae5945ef43c04c,
  title = {Photogeologic map of the Navajo Mountain-10 quadrangle, San Juan County, Utah},
  author = {R.J. Hackman},
  year = {1957},
  doi = {10.3133/i233},
  url = {https://pubs.usgs.gov/publication/i233},
  note = {Source identifier: i233}
}