@misc{indiciaedec7f461000a,
  title = {Magnitude and frequency of floods in the United States, part 5. Hudson Bay and Upper Mississippi River Basins},
  author = {James L. Patterson and Charles R. Gamble},
  year = {1968},
  doi = {10.3133/wsp1678},
  url = {https://pubs.usgs.gov/publication/wsp1678},
  note = {Source identifier: wsp1678}
}