@misc{indiciae8433f28b0fbf,
  title = {Metallic mineral and mineral-fuel resource potential map of Arizona showing major mineral deposits},
  author = {Helen M. Beikman and J.A. Peterson and D.F. Huber and W. C. Butler},
  year = {1986},
  doi = {10.3133/mr94},
  url = {https://pubs.usgs.gov/publication/mr94},
  note = {Source identifier: mr94}
}