@misc{indiciae63577b052629,
  title = {Data for four drill holes, Kalamazoo porphyry copper deposit, Pinal County, Arizona},
  author = {Maurice A. Chaffee},
  year = {1992},
  doi = {10.3133/ofr92283b},
  url = {https://pubs.usgs.gov/publication/ofr92283B},
  note = {Source identifier: ofr92283B}
}