@misc{indiciae7acc261a2d81,
  title = {National Water-Quality Assessment program; southern Florida study unit},
  author = {B. F. McPherson},
  year = {1994},
  doi = {10.3133/ofr9457},
  url = {https://pubs.usgs.gov/publication/ofr9457},
  note = {Source identifier: ofr9457}
}