@misc{indiciae6d08c5407e40,
  title = {Aeromagnetic gridded data from two surveys flown over a buried porphyry copper deposit west of Casa Grande, Arizona},
  author = {Viki Bankey and Robert E. Bracken},
  year = {1990},
  doi = {10.3133/ofr90685a},
  url = {https://pubs.usgs.gov/publication/ofr90685A},
  note = {Source identifier: ofr90685A}
}