@misc{indiciae6e0ddc9818ed,
  title = {Quality of surface waters of the United States, 1968, Part 1, North Atlantic slope basins},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1972},
  doi = {10.3133/wsp2091},
  url = {https://pubs.usgs.gov/publication/wsp2091},
  note = {Source identifier: wsp2091}
}