@misc{indiciaecbbd882e7db7,
  title = {Potentiometric surface of the Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, May 1983},
  author = {G. R. Schiner and Eugene C. Hayes},
  year = {1983},
  doi = {10.3133/ofr83687},
  url = {https://pubs.usgs.gov/publication/ofr83687},
  note = {Source identifier: ofr83687}
}