@misc{indiciae94e9541436e6,
  title = {Reconnaissance geologic map of the Mount Ajo and part of the Pisinimo quadrangles, Pima County, Arizona},
  author = {R. M. Tosdal and D. W. Peterson and D. J. May and R.A. LeVeque and R. J. Miller},
  year = {1986},
  doi = {10.3133/mf1820},
  url = {https://pubs.usgs.gov/publication/mf1820},
  note = {Source identifier: mf1820}
}