@misc{indiciae74d12bdbb6f3,
  title = {Photogeologic map, Bluff-4 quadrangle, San Juan County, Utah},
  author = {James Norris Platt},
  year = {1955},
  doi = {10.3133/ofr55140},
  url = {https://pubs.usgs.gov/publication/ofr55140},
  note = {Source identifier: ofr55140}
}