@misc{indiciae4aec590a7235,
  title = {Quality of surface waters of the United States, 1966, Parts 1 and 2, north Atlantic slope basins and South Atlantic slope and eastern Gulf of Mexico basins},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/wsp1991},
  url = {https://pubs.usgs.gov/publication/wsp1991},
  note = {Source identifier: wsp1991}
}