@misc{indiciae5cab980bdbeb,
  title = {Preliminary report on analytical data of plutonic rocks of the Santa Rita Mountains, southeast of Tucson, Arizona},
  author = {Harald D. Drewes},
  year = {1974},
  doi = {10.3133/ofr74260},
  url = {https://pubs.usgs.gov/publication/ofr74260},
  note = {Source identifier: ofr74260}
}