@misc{indiciae6f138c4c6d41,
  title = {Distribution in States and counties of waterfowl species harvested during 1961-70 hunting seasons.},
  author = {Samuel M. Carney and Michael F. Sorensen and Elwood M. Martin},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/ssrw187},
  note = {Source identifier: ssrw187}
}