@misc{indiciae4f029142cf11,
  title = {Geohydrology and susceptibility of major aquifers to surface contamination in Alabama; area 4},
  author = {Michael Planert and J.L. Pritchett},
  year = {1989},
  doi = {10.3133/wri884133},
  url = {https://pubs.usgs.gov/publication/wri884133},
  note = {Source identifier: wri884133}
}