@misc{indiciae5562e0fcd235,
  title = {Use of flooded timber by waterfowl at the Montezuma National Wildlife Refuge},
  author = {L.M. Cowardin},
  year = {1969},
  doi = {10.2307/3799314},
  url = {https://pubs.usgs.gov/publication/1001471},
  note = {Source identifier: 1001471}
}