@misc{indiciaedfa25d1ccee9,
  title = {Sources and distribution of nitrate in ground water at a farmed field irrigated with sewage treatment-plant effluent, Tallahassee, Florida},
  author = {M. P. Berndt},
  year = {1990},
  doi = {10.3133/wri904006},
  url = {https://pubs.usgs.gov/publication/wri904006},
  note = {Source identifier: wri904006}
}