@misc{indiciae188c3cac4328,
  title = {Quality of water of the Gila River basin above Coolidge Dam, Arizona},
  author = {John David Hem},
  year = {1950},
  doi = {10.3133/wsp1104},
  url = {https://pubs.usgs.gov/publication/wsp1104},
  note = {Source identifier: wsp1104}
}