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  1. The birds of Wyoming, with an explanation of recent changes in their distribution; economic aspect also considered.
    By: Grave, Benjamin Harrison, - Walker, Ernest P.
    Publication info: [Laramie]University of Wyoming,1913.
    Holding Institution: MBLWHOI Library
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  2. Blue-fox farming in Alaska /
    By: Ashbrook, F. G. (Frank Getz), - Walker, Ernest P.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1925.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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