@misc{indiciae9bf7822d1327,
  title = {Oklahoma ground-water quality},
  author = {W.F. Horak and J.D. Stoner},
  year = {1987},
  doi = {10.3133/ofr87746},
  url = {https://pubs.usgs.gov/publication/ofr87746},
  note = {Source identifier: ofr87746}
}