@misc{indiciae6b4da94e273e,
  title = {Potentiometric Surface of the Upper Floridan Aquifer in the St. Johns River Water Management District and Vicinity, Florida, September 2007},
  author = {Sandra L. Kinnaman and Joann F. Dixon},
  year = {2008},
  doi = {10.3133/ofr20081085},
  url = {https://pubs.usgs.gov/publication/ofr20081085},
  note = {Source identifier: ofr20081085}
}