@misc{indiciaeadafa7e7ec05,
  title = {Photogeologic map of the House Rock Spring NE quadrangle, Coconino County, Arizona},
  author = {J. P. Minard},
  year = {1956},
  doi = {10.3133/i198},
  url = {https://pubs.usgs.gov/publication/i198},
  note = {Source identifier: i198}
}