@misc{indiciae903d523446ff,
  title = {Geologic map of the Saddle Mountain quadrangle, Pinal County, Arizona},
  author = {Medora Louise Hooper Krieger},
  year = {1968},
  doi = {10.3133/gq671},
  url = {https://pubs.usgs.gov/publication/gq671},
  note = {Source identifier: gq671}
}