@misc{indiciaefd1100367dbb,
  title = {Distribution of major herbicides in ground water of the United States},
  author = {Jack E. Barbash and Gail P. Thelin and Dana W. Kolpin and Robert J. Gilliom},
  year = {1999},
  doi = {10.3133/wri984245},
  url = {https://pubs.usgs.gov/publication/wri984245},
  note = {Source identifier: wri984245}
}