@misc{indiciae978a5a8bb7f5,
  title = {Geologic map of the Patagonia Mountains, Santa Cruz County, Arizona},
  author = {Frederick Graybeal and Lorre A. Moyer and Peter G. Vikre and Pamela Dunlap and John C. Wallis},
  year = {2015},
  doi = {10.3133/ofr20151023},
  url = {https://pubs.usgs.gov/publication/ofr20151023},
  note = {Source identifier: ofr20151023}
}