@misc{indiciaeaaf002b90dad,
  title = {Potentiometric surface of the upper Floridan Aquifer in central Sumter County, Florida, September 1985},
  author = {L. A. Bradner},
  year = {1985},
  doi = {10.3133/ofr85681},
  url = {https://pubs.usgs.gov/publication/ofr85681},
  note = {Source identifier: ofr85681}
}