@misc{indiciae7148ca4adeb4,
  title = {Occurrence and distribution of nitrate and selected pesticides in ground water in Missouri, 1986-94},
  author = {D.H. Wilkison and R.D. Maley},
  year = {1996},
  doi = {10.3133/wri964183},
  url = {https://pubs.usgs.gov/publication/wri964183},
  note = {Source identifier: wri964183}
}