@misc{indiciaefc22280c85e7,
  title = {Potentiometric surface of the upper Floridan aquifer, Southwest Florida Water Management District, September 1984},
  author = {G. L. Barr},
  year = {1984},
  doi = {10.3133/ofr84812},
  url = {https://pubs.usgs.gov/publication/ofr84812},
  note = {Source identifier: ofr84812}
}