@misc{indiciaef4be83e57b22,
  title = {Mesozoic stratigraphy of the Patagonia Mountains and adjoining areas, Santa Cruz County, Arizona},
  author = {Frank S. Simons},
  year = {1972},
  doi = {10.3133/pp658e},
  url = {https://pubs.usgs.gov/publication/pp658E},
  note = {Source identifier: pp658E}
}