@misc{indiciaeac0427280215,
  title = {Iowa ground-water quality},
  author = {R.C. Buchmiller and P. J. Squillace and R.D. Drustrup},
  year = {1987},
  doi = {10.3133/ofr87725},
  url = {https://pubs.usgs.gov/publication/ofr87725},
  note = {Source identifier: ofr87725}
}