@misc{indiciaeb69c4fbed249,
  title = {Habitat Suitability Index Models: Canvasback (breeding habitat)},
  author = {Richard L. Schroeder},
  year = {1984},
  url = {https://pubs.usgs.gov/publication/fwsobs82\_10\_82},
  note = {Source identifier: fwsobs82\_10\_82}
}