@misc{indiciaedd13402c7700,
  title = {Results of duck-wing collection in the Mississippi Flyway, 1959-60},
  author = {A. D. Geis and S.M. Carney},
  year = {1961},
  url = {https://pubs.usgs.gov/publication/5230084},
  note = {Source identifier: 5230084}
}