@misc{indiciaee32d22d3ee82,
  title = {Potentiometric surface of Floridan Aquifer, Southwest Florida Water Management District and adjacent areas, May 1977},
  author = {Paul D. Ryder and C. P. Laughlin and L. R. Mills},
  year = {1977},
  doi = {10.3133/ofr77552},
  url = {https://pubs.usgs.gov/publication/ofr77552},
  note = {Source identifier: ofr77552}
}