@misc{indiciae36744da5f63a,
  title = {Pesticides and nitrate in surficial sand and gravel aquifers as related to modeled contamination susceptibility in part of the Upper Mississippi River Basin},
  author = {Paul E. Hanson},
  year = {1998},
  doi = {10.3133/fs10798},
  url = {https://pubs.usgs.gov/publication/fs10798},
  note = {Source identifier: fs10798}
}