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Distribution in States and Counties of Waterfowl Species Harvested During 1961-70 Hunting Seasons
Samuel M. Carney
Michael F. Sorensen
Elwood Martin
出版
U.S. Department of the Interior, Fish and Wildlife Service
, 1975
URL
http://books.google.com.hk/books?id=HadOlTmZmk0C&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Average numbers of waterfowl harvested during the 1961-70 hunting seasons are estimated by species for each county in the continental United States. A brief account of the estimating procedure is included.
