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Black duck distribution, harvest characteristics, and survival / Aelred D. Geis, Robert I. Smith and John P. Rogers

By: Contributor(s): Material type: TextTextSeries: Special scientific report--wildlife (U.S. Fish and Wildlife Service). no. 139 Publication details: Washington, DC : U.S. Fish and Wildlife Service, 1971Description: xxii, 241 p. : ill., maps ; 27 cm

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