@misc{indiciae97423fba3edc,
  title = {Water resources data for North Carolina, water year 1971; Part 2, water quality records},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1972},
  doi = {10.3133/wdrnc712},
  url = {https://pubs.usgs.gov/publication/wdrNC712},
  note = {Source identifier: wdrNC712}
}