@misc{indiciae9b03f12686f9,
  title = {Photogeologic maps of the Verdure 3 and 5 quadrangles, San Juan County, Utah},
  author = {Robert J. Hackman},
  year = {1952},
  doi = {10.3133/ofr5264},
  url = {https://pubs.usgs.gov/publication/ofr5264},
  note = {Source identifier: ofr5264}
}