@misc{indiciaec69bbc068b31,
  title = {Floods in the Rock River basin, Iowa},
  author = {Albert J. Heinitz},
  year = {1973},
  doi = {10.3133/ofr741047},
  url = {https://pubs.usgs.gov/publication/ofr741047},
  note = {Source identifier: ofr741047}
}