@misc{indiciaedfc04f96e821,
  title = {Photogeologic map of the Elk Ridge-3 quadrangle, San Juan County, Utah},
  author = {C. L. Pillmore and J. C. Reed},
  year = {1956},
  doi = {10.3133/i125},
  url = {https://pubs.usgs.gov/publication/i125},
  note = {Source identifier: i125}
}