@misc{indiciaeb434f3173a85,
  title = {Water-surface profiles of Raccoon River at Des Moines, Iowa},
  author = {Philip J. Carpenter and David H. Appel},
  year = {1966},
  doi = {10.3133/ofr6737},
  url = {https://pubs.usgs.gov/publication/ofr6737},
  note = {Source identifier: ofr6737}
}