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Damage by the Sitka Spruce Weevil (Pissodes Strobi) and Growth Patterns for 10 Spruce Species and Hybrids Over 26 Years in the Pacific Northwest
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Estimation of Needle Populations on Young, Open-grown Douglas-fir by Regression and Life Table Analysis
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Susceptibility of 10 Spruce Species and Hybrids to the White Pine Weevil (
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Balsam Woolly Aphid
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Field Test of Acephate Against Two Douglas-fir Chirstmas Tree Pests
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Douglas County, Oregon: Potential Economic Impacts of a Changing Timber Resource Base, Issues 177-185
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