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By: Ruth, Robert H. - Yoder, Ray A. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)Edition:Publication info: Portland, Or, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1953Volume: no.7Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Ruth, Robert H. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)Edition:Publication info: Portland, Or, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1957Volume: no.21Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Ruth, Robert H.Edition:Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970Volume: no.96Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Harris, A. S. - Ruth, Robert H.Edition:Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970Volume: no.105Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: