@misc{indiciae3a3fffb150bf,
  title = {Potentiometric surface of Floridan Aquifer, Southwest Florida Water Management District, September 1976},
  author = {Paul D. Ryder and C. P. Laughlin and L. R. Mills},
  year = {1977},
  doi = {10.3133/ofr77353},
  url = {https://pubs.usgs.gov/publication/ofr77353},
  note = {Source identifier: ofr77353}
}