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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Guilkey, Paul C. - Granum, Bernard M. - Cunningham, R. N. (Russell Nelson),
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1954
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library