@misc{indiciae2cda274a9e7b,
  title = {Mineral occurrence map and tabulation of geologic, commodity, and production data, Ajo and Lukeville 1 degree by 2 degrees quadrangles, southwestern Arizona},
  author = {J.A. Peterson and R. M. Tosdal},
  year = {1986},
  doi = {10.3133/mf1834a},
  url = {https://pubs.usgs.gov/publication/mf1834A},
  note = {Source identifier: mf1834A}
}