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By: Willits, Susan. - Woodfin, Richard O. - Snellgrove, Thomas A. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990Volume: no.428Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Willits, Susan. - Fahey, Thomas D. (Thomas Daniel), - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: Portland, Ore, U.S. Dept. of Agriculture, Pacific Northwest Research Station, [1991]Volume: no.438Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: