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Language: en
Pages: 40
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Type: BOOK - Published: 1974 - Publisher:
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Language: en
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Southeast Alaska's remaining virgin forests have few insect pests. The black-headed budworm and the hemlock sawfly, both western hemlock defoliators, are the mo
Language: en
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Type: BOOK - Published: 1974 - Publisher:
Language: en
Pages: 40
Pages: 40
Type: BOOK - Published: 1974 - Publisher: