@misc{indiciaecf23cdf137f2,
  title = {Hydrogeologic framework and sampling design for an assessment of agricultural pesticides in ground water in Pennsylvania},
  author = {Bruce D. Lindsey and Tammy M. Bickford},
  year = {1999},
  doi = {10.3133/wri994076},
  url = {https://pubs.usgs.gov/publication/wri994076},
  note = {Source identifier: wri994076}
}