@misc{indiciae16761ee13061,
  title = {Mineral resources of the Rincon wilderness study area, Pima County, Arizona},
  author = {Charles H. Thorman and Harald Drewes and Michael Lane},
  year = {1978},
  doi = {10.3133/ofr78596},
  url = {https://pubs.usgs.gov/publication/ofr78596},
  note = {Source identifier: ofr78596}
}