@misc{indiciae9fc07704ddc5,
  title = {Tracer studies and background fluorescence of ground water in the Ocala, Florida, area},
  author = {D.D. Knochenmus},
  year = {1967},
  doi = {10.3133/ofr67132},
  url = {https://pubs.usgs.gov/publication/ofr67132},
  note = {Source identifier: ofr67132}
}