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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Spencer, John S. - Kingsley, Neal P. - Mayer, Robert W.
    Publication info: St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108), North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1990
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library