@misc{indiciae034cff33bbb3,
  title = {Potentiometric surface of the upper Floridan aquifer, west-central Florida, September 2001},
  author = {A. D. Duerr},
  year = {2002},
  doi = {10.3133/ofr02188},
  url = {https://pubs.usgs.gov/publication/ofr02188},
  note = {Source identifier: ofr02188}
}