@misc{indiciae9c6413178639,
  title = {Waterfowl status report, 1970},
  author = {Everett B. Chamberlain and R. Kahler Martinson and Sharon L. Clark},
  year = {1971},
  url = {https://pubs.usgs.gov/publication/ssrw138},
  note = {Source identifier: ssrw138}
}