A status report on forest insect conditions in the United states in 1957.
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Main Author: | Division of Forest Insect Research, Forest Service, U.S. Department of Agriculture. eng |
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Format: | Texto biblioteca |
Language: | |
Published: |
1958
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Subjects: | FORESTS, PEST INSECTS, COLEOPTERA, DENDROCTONUS, TORTRIX, LEPIDOPTERA, COCCOIDEA, FORET, INSECTE NUISIBLE, BOSQUES, INSECTOS DANINOS, |
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