@misc{indiciae93aaba061b67,
  title = {Quality of surface waters of the United States, 1969, Part 3, Ohio River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1974},
  doi = {10.3133/wsp2143},
  url = {https://pubs.usgs.gov/publication/wsp2143},
  note = {Source identifier: wsp2143}
}