@misc{indiciaebd128148c2ed,
  title = {Photogeologic map of the Emmett Wash NW quadrangle, Coconino County, Arizona},
  author = {J. P. Minard},
  year = {1956},
  doi = {10.3133/i192},
  url = {https://pubs.usgs.gov/publication/i192},
  note = {Source identifier: i192}
}