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Cover of Sampling populations of western spruce budworm and predicting defoliation on Douglas-fir in eastern Oregon

Sampling populations of western spruce budworm and predicting defoliation on Douglas-fir in eastern Oregon

By V. M. Carolin

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Publish Date

1972

Publisher

Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

Language

eng

Pages

38

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