@misc{indiciaee0c2e3a9ced2,
  title = {Hydrogeochemical data from investigation of water quality in sewered and unsewered areas, southern Nassau County, Long Island, New York},
  author = {N. M. Perlmutter and Ellis Koch},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/70040770},
  note = {Source identifier: 70040770}
}