@misc{indiciae3c0105506ac8,
  title = {Photogeologic maps of the Aneth 5 and 6 quadrangles, San Juan County, Utah},
  author = {Robert J. Hackman},
  year = {1952},
  doi = {10.3133/ofr5259},
  url = {https://pubs.usgs.gov/publication/ofr5259},
  note = {Source identifier: ofr5259}
}