@misc{indiciae16ae288756ea,
  title = {Quality of surface waters of the United States, 1950. Parts 1-4, North Atlantic slope basins to St. Lawrence River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1954},
  doi = {10.3133/wsp1186},
  url = {https://pubs.usgs.gov/publication/wsp1186},
  note = {Source identifier: wsp1186}
}