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Excerpt from Defect Estimation for White Fir in the Rogue River National Forest This paper presents two methods for estimating the extent of defect in living white firs in the Rogue River National Forest, describes the procedure used to develop the most reliable of the two defect-estimating methods, and presents a measure of the precision of the estimating technique when applied to an independent timber sample. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.