@misc{indiciaed47f829bc717,
  title = {The quality of our nation's waters: Nutrients and pesticides},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1999},
  doi = {10.3133/cir1225},
  url = {https://pubs.usgs.gov/publication/cir1225},
  note = {Source identifier: cir1225}
}