Management Guidelines for Increasing Populations of Birds that Feed on Western Spruce Budworm

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Spruce Budworms Handbook

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Management Guidelines for Increasing Populations of Birds That Feed on Western Spruce Budworm

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Spruce Budworms Handbook

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General Technical Report PNW-GTR

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Research Paper PNW.

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Research Paper INT.

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Western Spruce Budworm Management Plan (ID,MT)

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USDA Agricultural Handbooks, Numbers 1-690

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State-of-the-art Methodology of Forest Inventory

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