@misc{indiciae42a3bdff77ac,
  title = {Nitrate and selected pesticides in ground water of the Mid-Atlantic region},
  author = {Scott W. Ator and Matthew J. Ferrari},
  year = {1997},
  doi = {10.3133/wri974139},
  url = {https://pubs.usgs.gov/publication/wri974139},
  note = {Source identifier: wri974139}
}