@misc{indiciae6a1a3a265ae9,
  title = {Potentiometric surface of the Upper Floridan aquifer in the St. Johns River Water Management District and vicinity, September 1988},
  author = {Harry G. Rodis},
  year = {1989},
  doi = {10.3133/ofr8965},
  url = {https://pubs.usgs.gov/publication/ofr8965},
  note = {Source identifier: ofr8965}
}