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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Schmid, J. M. - Mata, S. A. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: [Fort Collins, Colo.] (240 W. Prospect Rd., Fort Collins 80526), USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, [1991]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Coleoptera  Dendroctonus valens  Diseases and pests  Pinaceae  Pinus ponderosa  plant pests  Ponderosa pine  Red turpentine beetle  Scolytidae  South Dakota  USA  Western yellow pine