@misc{indiciae40b7e6f23eb6,
  title = {Chemical and physical characteristics of Delaware River water from Trenton, N. J., to Marcus Hook, Pa., 1949-52},
  author = {C.N. Durfor and Walter B. Keighton},
  year = {1954},
  doi = {10.1126/science.119.3096.613},
  url = {https://pubs.usgs.gov/publication/70010706},
  note = {Source identifier: 70010706}
}