@misc{indiciaea437980f4c99,
  title = {Aeromagnetic maps of a buried porphyry copper deposit west of Casa Grande, Arizona},
  author = {Viki Bankey},
  year = {1992},
  doi = {10.3133/mf2187},
  url = {https://pubs.usgs.gov/publication/mf2187},
  note = {Source identifier: mf2187}
}