@misc{indiciaec2a182307a97,
  title = {Position of the saltwater-freshwater interface in the upper part of the Floridan Aquifer, southwest Florida, 1979},
  author = {K.W. Causseaux and J. D. Fretwell},
  year = {1982},
  doi = {10.3133/ofr8290},
  url = {https://pubs.usgs.gov/publication/ofr8290},
  note = {Source identifier: ofr8290}
}