@misc{indiciae814989e66706,
  title = {Arizona ground-water quality},
  author = {L. R. Kister and D. B. Radtke and Charles Graf},
  year = {1987},
  doi = {10.3133/ofr87713},
  url = {https://pubs.usgs.gov/publication/ofr87713},
  note = {Source identifier: ofr87713}
}