@misc{indiciae295bab97e0ec,
  title = {Land use, organochlorine compound concentrations, and trends in benthic-invertebrate communities in selected stream basins in Chester County, Pennsylvania},
  author = {Mark A. Hardy and Kim L. Wetzel and Craig R. Moore},
  year = {1995},
  doi = {10.3133/wri944060},
  url = {https://pubs.usgs.gov/publication/wri944060},
  note = {Source identifier: wri944060}
}