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  1. Distribution and migration of North American herons and their allies /
    By: Cooke, Wells Woodbridge, - United States.
    Publication info: Washington, D.C. :U.S. Dept, of Agriculture, Biological Survey,1913.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  2. North American fauna.
    By: U.S. Fish and Wildlife Service - United States.
    Publication info: Washington :Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off.
    Contributed by: Smithsonian Libraries
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