@misc{indiciae82ed2f97c1fd,
  title = {Chiricahua Peak quadrangle, Cochise County, Arizona: Analytic data and geologic sample catalog},
  author = {Edward A. du Bray and Douglas B. Yager and John S. Pallister},
  year = {1993},
  doi = {10.3133/b2021c},
  url = {https://pubs.usgs.gov/publication/b2021C},
  note = {Source identifier: b2021C}
}