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By: Johnson, Floyd A. (Floyd Alfred), - Gohlke, Martin. - Lowrie, James B. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)Edition:Publication info: Portland, Ore, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971Volume: no.162Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: