@misc{indiciae6520ab33f203,
  title = {Geologic map and structure sections of the Simmons Peak Quadrangle, Cochise County, Arizona},
  author = {Harald Drewes},
  year = {1986},
  doi = {10.3133/i1569},
  url = {https://pubs.usgs.gov/publication/i1569},
  note = {Source identifier: i1569}
}