@misc{indiciae191d8926b2cd,
  title = {Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona},
  author = {Frank Charles Schrader and James M. Hill},
  year = {1915},
  doi = {10.3133/b582},
  url = {https://pubs.usgs.gov/publication/b582},
  note = {Source identifier: b582}
}