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By: Callaham, Robert Z. - Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)Edition:Publication info: Berkeley, Calif, U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, [1960]Volume: no.51Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Pine reproduction weevil Ponderosa pineBHL Collections: