@misc{indiciae5fd6eec1d45c,
  title = {Physical, chemical, and biological data for selected streams in Chester County, Pennsylvania, 1981-94},
  author = {Andrew G. Reif},
  year = {1999},
  doi = {10.3133/ofr99216},
  url = {https://pubs.usgs.gov/publication/ofr99216},
  note = {Source identifier: ofr99216}
}