@misc{indiciaef6b25b370faf,
  title = {Geologic map of the Tohono O'odham Indian Nation, southern Arizona},
  author = {H. M. Beikman and G. B. Haxel and R. J. Miller},
  year = {1995},
  doi = {10.3133/i2017},
  url = {https://pubs.usgs.gov/publication/i2017},
  note = {Source identifier: i2017}
}