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Publication Information

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Title: Seasoning and surfacing degrade in kiln-drying western hemlock in western Oregon.

Author: Knauss, A.C.; Clarke, E.H.;

Date: 1961

Source: PNW Old Series Research Note No. 207, p. 1-11

Publication Series: Scientific Journal (JRNL)

Description: This report presents the results of a study to determine the degrade (loss in volume and value) of western hemlock lumber cut, kiln-dried, and surfaced in accordance with commercial practice in western Oregon. The study measured (1) loss in volume due to culling and trimming surfaced dry lumber because of sawing, seasoning, and surfacing defects; (2) reduction in grade due to seasoning and surfacing defects; and (3) reduction in grade due to incomplete manufacture or the development of manufacturing defects. Degrade is expressed as a percentage of the rough green lumber volume and also as a loss in value per thousand board feet of lumber.

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Knauss, A.C.; Clarke, E.H. 1961. Seasoning and surfacing degrade in kiln-drying western hemlock in western Oregon. PNW Old Series Research Note No. 207, p. 1-11

 


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