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By: Blackman, M. W. (Maulsby Willett), - Maine Agricultural Experiment Station. - Maine. Forest Commissioner. - University of Maine Forestry Department.Edition:Publication info: Maine, 1919Volume:Series:Holding Institution: University of California LibrariesSubjects: Spruce bud-wormBHL Collections:
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By: Swaine, J. M. (James Malcolm), - Swaine, J. M. (James Malcolm), - Bailey, Irving W. (Irving Widmer),Edition:Publication info: Ottawa [King's Printer] 1924Volume: 37 (1924)Series:Holding Institution: Agriculture and Agri-Food Canada (AAFC)Subjects: Diseases and pests Spruce Spruce bud-wormBHL Collections: