@misc{indiciae690d1edf035a,
  title = {Photogeologic map, Clay Hills-1 quadrangle, San Juan County, Utah},
  author = {Charles H. Marshall},
  year = {1955},
  doi = {10.3133/ofr55107},
  url = {https://pubs.usgs.gov/publication/ofr55107},
  note = {Source identifier: ofr55107}
}