@misc{indiciaeec5c4ca2c8b4,
  title = {Photogeologic map of Setsiltso Springs 5 quadrangle, Apache County, Arizona},
  author = {Richard G. Ray},
  year = {1952},
  doi = {10.3133/ofr52119},
  url = {https://pubs.usgs.gov/publication/ofr52119},
  note = {Source identifier: ofr52119}
}