@misc{indiciae8ef103ee7572,
  title = {Plan of study to determine the effect of changes in herbicide use on herbicide concentrations in Midwestern streams, 1989-94},
  author = {Donald A. Goolsby and Laurie L. Boyer and William A. Battaglin},
  year = {1994},
  doi = {10.3133/ofr94347},
  url = {https://pubs.usgs.gov/publication/ofr94347},
  note = {Source identifier: ofr94347}
}