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'