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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Brooks, Robert T. - Miller-Weeks, Margaret. - Burkman, William. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Radnor, Pa, U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library