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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Mann, Charles N. - Lysons, Hilton H. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1972
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Binkley, Virgil Wayne. - Lysons, Hilton H. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1968
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Lysons, Hilton H. - Mann, Charles N.
    Publication info: [Portland, Or.], Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1967
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library