@misc{indiciaef61138898322,
  title = {Chemical characteristics of Delaware River water, Trenton, New Jersey, to Marcus Hook, Pennsylvania},
  author = {Charles N. Durfor and Walter B. Keighton},
  year = {1954},
  doi = {10.3133/wsp1262},
  url = {https://pubs.usgs.gov/publication/wsp1262},
  note = {Source identifier: wsp1262}
}