@misc{indiciae953ec2828e4a,
  title = {Reconnaissance geologic map of parts of the San Pedro and Aravaipa Valleys, south-central Arizona},
  author = {S. C. Creasey and E.D. Jackson and R. A. Gulbrandsen},
  year = {1961},
  doi = {10.3133/mf238},
  url = {https://pubs.usgs.gov/publication/mf238},
  note = {Source identifier: mf238}
}