United States and Canada to Cooperate in Spruce Budworm Control Program (1944)
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The Use of Large-Scale Aerial Color Photography for Assessing Forest Tree Diseases (1972)
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]The Spruce Budworm Threat to Maine Forests
Views: 1212
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Pesticide persistance in forest soils
Views: 1073
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Death and deterioration of balsam fir weakened by spruce budworm defoliation in Ontario
Views: 1247
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]Trip to Canada: Spruce Budworm September 24-October 5, 1944
Views: 1226
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[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]The Spruce Budworm Problem in the Northeast (1944)
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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
Views: 761
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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 1959
Views: 885
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