@misc{indiciae2c4a01763252,
  title = {Nitrate-nitrogen concentrations in shallow ground water of the Coastal Plain of the Albemarle-Pamlico Drainage Study Unit, North Carolina and Virginia},
  author = {Timothy B. Spruill and Jo Leslie Eimers and A. Elizabeth Morey},
  year = {1997},
  doi = {10.3133/fs24196},
  url = {https://pubs.usgs.gov/publication/fs24196},
  note = {Source identifier: fs24196}
}