@misc{indiciaef591219fa97c,
  title = {A quick-catch corral trap for wintering canvasbacks},
  author = {G.M. Haramis and E.L. Derleth and D.G. McAuley},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/5222192},
  note = {Source identifier: 5222192}
}