. Lumber recovery from old-growth coast Douglas-fir. Douglas fir; Lumber. Sawn-length relationship = + - + standard error estimate = Woods-length relationship = + - + standard error estimate = 1 46 8 Woods-length logs 8 s LL- 0 si 7 _ u m DC lu )- e LU — rr -i 5 I. 1 _L 10 20 30 40 50 SCALING DIAMETER (Inches) 60 70 Figure log 9.—Relationship of board-foot yield per cubic foot of input to scaling diameter. ACKNOWLEDGMENTS The information presented in this paper was obtained and assembled through the cooperation and assistance of a
. Lumber recovery from old-growth coast Douglas-fir. Douglas fir; Lumber. Sawn-length relationship = + - + standard error estimate = Woods-length relationship = + - + standard error estimate = 1 46 8 Woods-length logs 8 s LL- 0 si 7 _ u m DC lu )- e LU — rr -i 5 I. 1 _L 10 20 30 40 50 SCALING DIAMETER (Inches) 60 70 Figure log 9.—Relationship of board-foot yield per cubic foot of input to scaling diameter. ACKNOWLEDGMENTS The information presented in this paper was obtained and assembled through the cooperation and assistance of a great many people in industry and public agencies. The authors are particularly indebted to the following personnel of the Grade and Quality of Western Softwoods Research Project of the Pacific Northwest Forest and Range Experiment Station: M. Wallace Burck, David Carpenter, and Donald C. Martin. The following Timber Management personnel of the National Forest System made significant contributions: Harold F. Wise, Norman E. Dole, Jr., Jack Levitan, and Frank Oyung, of the California Region; John E. Todd, James B. Lowrie, and Douglas L. Hunt in the Pacific Northwest Region. The Bureau of Land Management: George B. Hartman, Portland Service Center, and Howard Kirkpatrick, Eugene District Scaler. The Bureau of Indian Affairs: Kenneth W. Hadley, Area Forester. The plant management and operating personnel of the cooperating sawmills, including International Paper Company, Chelatchie, Washington; U. S. Plywood Division of Champion International at Mapleton, Oregon, and Anderson, California; Summit View Lumber Company, Darrington, Washington; J. F. Sharp Lumber Company, Yreka, California; Simpson Timber Company, Shelton, Washington; Timber Products Company, Medford, Oregon; Van Vleet Wood Products Company, Hoopa, California; Publishers Paper Company, Portland, Oregon; Bohemia Lumber Company, Inc., Culp Creek, Oregon. The West Coast Lumber Inspection Bureau, Pacific Lumber Inspecti
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Keywords: ., bookcentury1900, bookco, booksubjectdouglasfir, booksubjectlumber
