@misc{indiciaef8a31be88b8f,
  title = {Photogeologic map of Setsiltso Springs 3 quadrangle, Apache County, Arizona},
  author = {Richard G. Ray},
  year = {1952},
  doi = {10.3133/ofr52117},
  url = {https://pubs.usgs.gov/publication/ofr52117},
  note = {Source identifier: ofr52117}
}