@misc{indiciae1eefed3f9b97,
  title = {Program for evaluating stream quality in North Carolina},
  author = {Hugh B. Wilder and Clyde E. Simmons},
  year = {1978},
  doi = {10.3133/cir764},
  url = {https://pubs.usgs.gov/publication/cir764},
  note = {Source identifier: cir764}
}