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    Author(s): James E. Sowder
    Date: 1953
    Source: PNW Old Series Research Notes No. 88, p. 1-2
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (140 KB)


    Young ponderosa pine produces a good grade of common lumber, and close-grown trees produce better grades than those which were open-grown. This was shown by a study at the Pringle Falls Experimental Forest near Lapine in central Oregon.

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    Sowder, James E. 1953. Lumber grade recovery from young ponderosa pine. PNW Old Series Research Notes No. 88, p. 1-2

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