@misc{indiciae49a1dc0cf0c6,
  title = {Evaluation of nonpoint-source contamination, Wisconsin: water year 1999},
  author = {John F. Walker and D.J. Graczyk and Steven R. Corsi and J.A. Wierl and D.W. Owens},
  year = {2001},
  doi = {10.3133/ofr01105},
  url = {https://pubs.usgs.gov/publication/ofr01105},
  note = {Source identifier: ofr01105}
}