@misc{indiciaedb75185089de,
  title = {Summary of data on chemical quality of streams of North Carolina, 1943-67},
  author = {Hugh B. Wilder and Larry J. Slack},
  year = {1971},
  doi = {10.3133/wsp1895b},
  url = {https://pubs.usgs.gov/publication/wsp1895B},
  note = {Source identifier: wsp1895B}
}