@misc{indiciae8a25e848a874,
  title = {Photogeologic map of the Aneth-1 quadrangle, San Juan County, Utah, and Montezuma County, Colorado},
  author = {R.J. Hackman},
  year = {1955},
  doi = {10.3133/i90},
  url = {https://pubs.usgs.gov/publication/i90},
  note = {Source identifier: i90}
}