An Empirical Log Rule for Douglas-fir in Western Oregon and Western Washington
Abstract:The traditional procedure for estimating lumber tally volume is based on theoretical log rules, defect deductions, and overrun factors. This procedure is indirect, subjective, and complicated. It is also apparently inaccurate. A better procedure, one based on actual rather than theoretical lumber recoveries, is described.
Document Type: Journal Article
Affiliations: Principal Biometrician, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Portland, Oregon
Publication date: May 1, 1975
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