@misc{indiciaefcd3246d77aa,
  title = {Hydrologic analysis of the upper San Pedro basin from the Mexico-United States international boundary to Fairbank, Arizona},
  author = {G. W. Freethey},
  year = {1982},
  doi = {10.3133/ofr82752},
  url = {https://pubs.usgs.gov/publication/ofr82752},
  note = {Source identifier: ofr82752}
}