@misc{indiciae8da270733b93,
  title = {Potentiometric surface of the Floridan Aquifer, Southwest Florida Water Management District, September 1983},
  author = {G. L. Barr and George R. Schiner},
  year = {1983},
  doi = {10.3133/ofr83868},
  url = {https://pubs.usgs.gov/publication/ofr83868},
  note = {Source identifier: ofr83868}
}