@misc{indiciae50afc2726227,
  title = {Reconnaissance geologic map of the Mount Lemmon Quadrangle, Arizona},
  author = {N.G. Banks},
  year = {1976},
  doi = {10.3133/mf747},
  url = {https://pubs.usgs.gov/publication/mf747},
  note = {Source identifier: mf747}
}