-
By: Mitchell, R. G. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)Edition:Publication info: [Portland, Or.], Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966Volume: no.35Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Adelges Diseases and pests Fir Northwest, PacificBHL Collections: