@misc{indiciaef24443643cf0,
  title = {Potentiometric surface of the upper Floridan aquifer in central Sumter County, Florida, May 1986},
  author = {L. A. Bradner},
  year = {1986},
  doi = {10.3133/ofr86412w},
  url = {https://pubs.usgs.gov/publication/ofr86412W},
  note = {Source identifier: ofr86412W}
}