@misc{indiciae2c1ece933a39,
  title = {Herbicides in the Pecatonica and Yahara Rivers in Southwestern Wisconsin, May 1996-July 1996},
  author = {David J. Graczyk and James P. Vanden Brook},
  year = {1997},
  doi = {10.3133/fs17597},
  url = {https://pubs.usgs.gov/publication/fs17597},
  note = {Source identifier: fs17597}
}