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  1. The birds of Wyoming, with an explanation of recent changes in their distribution; economic aspect also considered. By B. H. Grave and Ernest P. Walker.
    By: Grave, Benjamin Harrison, - Walker, Ernest P.
    Publication info: [Laramie]University of Wyoming,1913.
    Contributed by: MBLWHOI Library
    BHL Collections: MBLWHOI Library, Woods Hole
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