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By: Crouch, Glenn LeRoy, - Hafenstein, Erwin. - 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, [1977]Volume: no.309Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Aerial spraying and dusting in forestry Atrazine Control Diseases and pests Effect of atrazine on Environmental aspects Forest plants Forest regeneration Oregon Plants Pocket gophers Ponderosa pineBHL Collections: