@misc{indiciae152e6b26cb3c,
  title = {A benthic-macroinvertebrate index of biotic integrity and assessment of conditions in selected streams in Chester County, Pennsylvania, 1998-2009},
  author = {Andrew G. Reif},
  year = {2012},
  doi = {10.3133/sir20125116},
  url = {https://pubs.usgs.gov/publication/sir20125116},
  note = {Source identifier: sir20125116}
}