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You searched for: Start Over Forestry Remove constraint Forestry Author Dewey, Jerald E. Remove constraint Author: Dewey, Jerald E. Subject Western spruce budworm -- Montana Remove constraint Subject: Western spruce budworm -- Montana Database ScholarsArchive Remove constraint Database: ScholarsArchive

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  • A 3-year evaluation of Douglas-fir cones in Montana and Yellowstone National Park, Wyoming, showed the western spruce budworm, Choristoneura occidentalis Freeman, and midges were the most common and injurious ...
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