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United States. U.S. Department of the Interior. U.S. Fish and Wildlife Service. (Corporate Name)

Number of records used in: 1

Preferred form: United States. U.S. Department of the Interior. U.S. Fish and Wildlife Service.

Machine generated authority record.

Work cat.: (MWDU)21846: Kirby, Ronald E. 4977, American black duck breeding habitat enhancement in the northeastern United States :, 1988.