United States and Canada to Cooperate in Spruce Budworm Control Program (1944)
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The Spruce Budworm Threat to Maine Forests
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]The Spruce Budworm Outbreak in Maine in the 1970s: Assessment and Directions for the Future
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]The Spruce Budworm in Maine in 1960 and Report on the 1960 Control Project
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]EPA performance standards for 1980 spruce budworm control program
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