@misc{indiciaeb2eb41e6aa25,
  title = {Photogeologic maps of the Verdure 9, 10, 11, 12, 13, 14, 15, and 16 quadrangles, Utah and Colorado},
  author = {Robert J. Hackman},
  year = {1952},
  doi = {10.3133/ofr5265},
  url = {https://pubs.usgs.gov/publication/ofr5265},
  note = {Source identifier: ofr5265}
}