@misc{indiciae917de584e713,
  title = {Geologic map of the Arivaca quadrangle and vicinity, Pima and Santa Cruz counties, Arizona},
  author = {H.D. Drewes},
  year = {1996},
  doi = {10.3133/mf2320},
  url = {https://pubs.usgs.gov/publication/mf2320},
  note = {Source identifier: mf2320}
}