@misc{indiciaece28b3864278,
  title = {Geologic map of San Francisco Mountain, Elden Mountain, and Dry Lake Hills, Coconino County, Arizona},
  author = {R.F. Holm},
  year = {1988},
  doi = {10.3133/i1663},
  url = {https://pubs.usgs.gov/publication/i1663},
  note = {Source identifier: i1663}
}