@misc{indiciae216b76e62115,
  title = {Trends in harvest of migratory game birds other than waterfowl 1964-65 to 1968-69},
  author = {Duncan MacDonald and Elwood Martin},
  year = {1971},
  url = {https://pubs.usgs.gov/publication/ssrw142},
  note = {Source identifier: ssrw142}
}