@misc{indiciae17bbd230148f,
  title = {Potentiometric surface of the Floridan Aquifer, May 1975; well-field pumpage; and selected hydrographs, Hillsborough County, Florida},
  author = {L. R. Mills and A. D. Duerr and Anthony Buono},
  year = {1975},
  doi = {10.3133/ofr75618},
  url = {https://pubs.usgs.gov/publication/ofr75618},
  note = {Source identifier: ofr75618}
}