@misc{indiciae67dcc1ba2ea2,
  title = {Alabama ground-water quality},
  author = {L. J. Slack and Michael Planert},
  year = {1987},
  doi = {10.3133/ofr87711},
  url = {https://pubs.usgs.gov/publication/ofr87711},
  note = {Source identifier: ofr87711}
}