@misc{indiciae513feba3f132,
  title = {Water quality data for precipitation and storm runoff in Pennypack Creek Basin, Philadelphia, Pennsylvania},
  author = {D.W. Speight},
  year = {1989},
  doi = {10.3133/ofr86140},
  url = {https://pubs.usgs.gov/publication/ofr86140},
  note = {Source identifier: ofr86140}
}