@misc{indiciae0abfed8fb9de,
  title = {National Water-Quality Assessment Program— Pesticides in the Trinity River Basin study unit, Texas, 1968-91},
  author = {R.L. Ulery},
  year = {1995},
  doi = {10.3133/fs08895},
  url = {https://pubs.usgs.gov/publication/fs08895},
  note = {Source identifier: fs08895}
}