@misc{indiciaec4a0828a0621,
  title = {A technique for estimating the time of travel of water in Indiana streams},
  author = {Stephen E. Eikenberry and Leroy G. Davis},
  year = {1976},
  doi = {10.3133/wri769},
  url = {https://pubs.usgs.gov/publication/wri769},
  note = {Source identifier: wri769}
}