@misc{indiciaedd28eb149430,
  title = {Photogeologic map of the Circle Cliffs-4 quadrangle, Garfield County, Utah},
  author = {J.S. Detterman},
  year = {1955},
  doi = {10.3133/i20},
  url = {https://pubs.usgs.gov/publication/i20},
  note = {Source identifier: i20}
}