@misc{indiciae9b20d629970d,
  title = {Floods of April-May 1969 in upper midwestern United States},
  author = {H.W. Anderson and H.H. Schwob},
  year = {1970},
  doi = {10.3133/70170204},
  url = {https://pubs.usgs.gov/publication/70170204},
  note = {Source identifier: 70170204}
}