@misc{indiciaef827a30f0713,
  title = {Analysis of nutrients in the surface waters of the Georgia–Florida Coastal Plain study unit, 1970–91},
  author = {L. K. Ham and H. H. Hatzell},
  year = {1996},
  doi = {10.3133/wri964037},
  url = {https://pubs.usgs.gov/publication/wri964037},
  note = {Source identifier: wri964037}
}