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  1. Principle insect enemies of the sugar beet in the territories served by the Great Western Sugar Company, by Asa C. Maxson ...
    By: Maxson, Asa Chandler, - Great Western Sugar Company
    Publication info: Denver, Col.,Agricultural Dept., the Great Western Sugar Company,1920.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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