Defoliation by western spruce budworm in Oregon and Washington from 1980 through 1994

Defoliation by western spruce budworm in Oregon and Washington from 1980 through 1994

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Bibliographic Details
Main Author: Sheehan, Katharine A
Corporate Author: United States Forest Service. Pacific Northwest Region
Format: Government Document Book
Language:English
Published: Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, [1996]
Series:Technical publication (United States. Forest Service. Pacific Northwest Region) R6-NR-TP-04-96
Subjects:
Forest insects > Oregon
Forest insects > Washington (State)
Western spruce budworm > Oregon
Western spruce budworm > Washington (State)

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