@misc{indiciaed9dc5869c6ff,
  title = {Potentiometric surface of the upper Floridan Aquifer in the St. Johns River Water Management District and vicinity, Florida, September 1984},
  author = {George R. Schiner and Eugene C. Hayes},
  year = {1984},
  doi = {10.3133/ofr84865},
  url = {https://pubs.usgs.gov/publication/ofr84865},
  note = {Source identifier: ofr84865}
}