@misc{indiciae82f9355a8346,
  title = {Preliminary mineral resource assessment of the proposed Mt. Wrightson Wilderness, Santa Cruz and Pima Counties, Arizona},
  author = {Steve Ludington},
  year = {1984},
  doi = {10.3133/ofr84294},
  url = {https://pubs.usgs.gov/publication/ofr84294},
  note = {Source identifier: ofr84294}
}