@misc{indiciae187cac00b445,
  title = {Ground-water quality assessment of the central Oklahoma Aquifer, Oklahoma; project description},
  author = {S. C. Christenson and D.L. Parkhurst},
  year = {1987},
  doi = {10.3133/ofr87235},
  url = {https://pubs.usgs.gov/publication/ofr87235},
  note = {Source identifier: ofr87235}
}