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Language: en
Pages: 30
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Type: BOOK - Published: 1978 - Publisher:
Tree damage occurring immediately after an outbreak of Douglas-fir tussock moth, Orgyia Pseudotsugata McD., and stand conditions 10 years later are described. B
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Type: BOOK - Published: 1978 - Publisher:
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Type: BOOK - Published: 1979 - Publisher:
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Type: BOOK - Published: 1978 - Publisher: