@misc{indiciae09816a86493a,
  title = {Potentiometric surfaces of the intermediate aquifer system, west-central Florida, May 1999},
  author = {A. D. Duerr and A. E. Torres},
  year = {2000},
  doi = {10.3133/ofr0071},
  url = {https://pubs.usgs.gov/publication/ofr0071},
  note = {Source identifier: ofr0071}
}