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    Author(s): Floyd A. Johnson
    Date: 1955
    Source: PNW Old Series Research Notes No. 112, p. 1-3
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (150 KB)


    Estimates of breast height diameter outside bark for trees as of some previous date are required in certain kinds of forest growth studies. These past diameters may be found by subtracting total diameter growth from known present diameters, where total diameter growth is the sum of wood growth and bark growth.

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    Johnson, Floyd A. 1955. Estimating past diameters of Douglas-fir trees. PNW Old Series Research Notes No. 112, p. 1-3

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