Log Scaling & Grading Rules Book

Official rule book for the log scaling and grading bureaus of Columbia River, Pacific Rim, Mountain Western, and Yamhill. Published November 2014. Printed on water-resistant paper.  Book Includes: Rules for Taking Log Scaling Measurements Deductions for Defects Definitions Recovery Rules of Thumb Species Index for Grading Rules Special Service Scale Rules Revised Scribner Volume Table for Diameters 1" to 60" and Lengths 1' to 40'