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  1. Relationship of yellow pine and Douglas fir in the yellow pine type. Annual silvical report. Salmon naitonal forest, by Herman Work, January 17, 1913.
    By: Work, Herman.
    Publication info: 1913.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Douglas fir  Ponderosa pine  Salmon National Forest (Idaho)  
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