@misc{indiciae490468994d12,
  title = {Mesozoic stratigraphy of the Mule and Huachuca Mountains, Arizona},
  author = {Philip Thayer Hayes},
  year = {1970},
  doi = {10.3133/pp658a},
  url = {https://pubs.usgs.gov/publication/pp658A},
  note = {Source identifier: pp658A}
}