Should log scale be reduced for knots?
By: by Jack Levitan.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research note PNW -- 73.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Forest Service
Published: 1968
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 14
Subjects: Wood -- Defects.; Forests and forestry -- Measurement.
Notes: Caption title.

"January, 1968."

Includes bibliographical references.