@misc{indiciaeb159bf0d65e9,
  title = {Water-quality assessment of the Ozark Plateaus study unit, Arkansas, Kansas, Missouri, and Oklahoma — Summary of information on pesticides, 1970–90},
  author = {Richard W. Bell and Robert L. Joseph and David A. Freiwald},
  year = {1996},
  doi = {10.3133/wri964003},
  url = {https://pubs.usgs.gov/publication/wri964003},
  note = {Source identifier: wri964003}
}