@misc{indiciae23c13f74e3b4,
  title = {Photogeologic map of the White Canyon-4 quadrangle, San Juan and Garfield Counties, Utah},
  author = {P. P. Orkild},
  year = {1956},
  doi = {10.3133/i170},
  url = {https://pubs.usgs.gov/publication/i170},
  note = {Source identifier: i170}
}