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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Brand, Gary J. - Walkowiak, John T. - North Central Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1991 [i.e. 1992]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library