@misc{indiciae0d9410bc6b20,
  title = {Potentiometric surface of the upper Floridan Aquifer, west-central Florida, May 1989},
  author = {G. L. Barr},
  year = {1989},
  doi = {10.3133/ofr89393},
  url = {https://pubs.usgs.gov/publication/ofr89393},
  note = {Source identifier: ofr89393}
}