@misc{indiciaed59c6f33d5ff,
  title = {Fluoride concentrations in water from four principal coastal plain aquifer systems, South Carolina},
  author = {Phillip W. Johnson and James M. Rhett},
  year = {1981},
  doi = {10.3133/ofr81140},
  url = {https://pubs.usgs.gov/publication/ofr81140},
  note = {Source identifier: ofr81140}
}