@misc{indiciae8d2697b791b4,
  title = {Regional interpretation of water-quality monitoring data},
  author = {Richard A. Smith and Gregory E. Schwarz and Richard B. Alexander},
  year = {1997},
  doi = {10.1029/97wr02171},
  url = {https://pubs.usgs.gov/publication/70019376},
  note = {Source identifier: 70019376}
}