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  1. Age of elk from their "famous" teeth /
    By: Greer, Kenneth R. - Yeager, Harley. - Montana Fish and Game Commission. Wildlife Restoration Division.
    Publication info: [Helena] :Montana Fish and Game Dept.,1967.
    Contributed by: Montana State Library (archive.org)
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  2. A list of literature pertaining to wildlife research and management in Montana / Richard J. Mackie and Harley W. Yeager.
    By: Mackie, Richard J. (Richard John), - Yeager, Harley. - Montana. Game Management Division.
    Publication info: Helena, Mont. :Research Section, Game Management Division, Montana Fish and Game Dept.,1966.
    Contributed by: Montana State Library (archive.org)
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