@misc{indiciaef66e3a1b5a10,
  title = {Source, extent, and degradation of herbicides in a shallow aquifer near Hesston, Kansas},
  author = {C. A. Perry},
  year = {1990},
  doi = {10.3133/wri904019},
  url = {https://pubs.usgs.gov/publication/wri904019},
  note = {Source identifier: wri904019}
}