@misc{indiciae65645ed8fb24,
  title = {Quality of surface waters of the United States, 1964, Parts 3 and 4, Ohio River basin and St. Lawrence River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1969},
  doi = {10.3133/wsp1955},
  url = {https://pubs.usgs.gov/publication/wsp1955},
  note = {Source identifier: wsp1955}
}