@misc{indiciaecafe4212c415,
  title = {The investigation of chemical quality of water in tidal rivers},
  author = {Walter B. Keighton},
  year = {1954},
  doi = {10.3133/ofr54139},
  url = {https://pubs.usgs.gov/publication/ofr54139},
  note = {Source identifier: ofr54139}
}