@misc{indiciaef14f6b1a82a7,
  title = {Geologic map of the Putnam Wash quadrangle, Pinal County, Arizona},
  author = {Medora Louise Hooper Krieger},
  year = {1974},
  doi = {10.3133/gq1109},
  url = {https://pubs.usgs.gov/publication/gq1109},
  note = {Source identifier: gq1109}
}