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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Parks, Catherine A. - Hoffman, James T. - Pacific Northwest Research Station (Portland, Or.)
    Publication info: [Portland, Or. (319 S.W. Pine St., Portland 97208)], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1991]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library