Natural-control factors affecting the spruce budworm
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Outbreaks of the western spruce budworm in the American northern rocky mountain area from 1922-1971
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]EPA performance for 1980 spruce budworm control program (draft comments)
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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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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]The End of the Outbreak: Biological Conditions in 1986, 1987, and 1988, and a Look at the Future
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Effects of Forest Insect Spraying on Northern Maine Trout Streams, Progress Report 1958
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Effects of forest insect spraying on northern Maine trout streams
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Mattawamkeag River Studies
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Maine’s forests perhaps the right time to die
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Protection Spraying Against Spruce Budworm in New Brunswick 1990
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