@misc{indiciae63b82dd75f7a,
  title = {Time of travel of water in the Ohio River, Pittsburgh to Cincinnati},
  author = {Robert E. Steacy},
  year = {1961},
  doi = {10.3133/cir439},
  url = {https://pubs.usgs.gov/publication/cir439},
  note = {Source identifier: cir439}
}