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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Pong, W. Y. - Waddell, Dale R. - Lambert, Michael B. - Pacific Northwest Research Station (Portland, Or.)
    Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1986
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library