@misc{indiciaeccfeca20a9a3,
  title = {Photogeologic map, Lees Ferry SE quadrangle, Coconino County, Arizona},
  author = {Kathleen McQueen},
  year = {1956},
  doi = {10.3133/tem956},
  url = {https://pubs.usgs.gov/publication/tem956},
  note = {Source identifier: tem956}
}