@misc{indiciaeeef49d1f5095,
  title = {Abstracts of the symposium of the Geology and mineral deposits of the Ajo and Lukeville 1 degree x 2 degrees Quadrangle, Arizona},
  author = {Floyd Gray},
  year = {1988},
  doi = {10.3133/ofr88217},
  url = {https://pubs.usgs.gov/publication/ofr88217},
  note = {Source identifier: ofr88217}
}