Lumber Recovery From Red And White Fir In Central California PDF Download

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Lumber Recovery From Red and White Fir in Central California (Classic Reprint)

Lumber Recovery From Red and White Fir in Central California (Classic Reprint)
Author: W. Y. Pong
Publisher: Forgotten Books
Total Pages: 60
Release: 2018-01-13
Genre: Reference
ISBN: 9780428979553

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Excerpt from Lumber Recovery From Red and White Fir in Central California The distribution of the study lumber by grade, thickness, and width for each log grade and for all log grades is pre sented in tables 5 - 9. 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.


Lumber Recovery from Incense-cedar in Central California

Lumber Recovery from Incense-cedar in Central California
Author: W. Y. Pong
Publisher:
Total Pages: 32
Release: 1988
Genre: Incense cedar
ISBN:

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A sample of 130 incense-cedar (Libocedrus decurrens Torr.) trees was selected from the EIdorado National Forest in California. The trees were felled and bucked into 403 woods-length logs and processed through a sawmill cutting Shop and Common grades of lumber. Recovery estimates are shown for woods-length logs based on Scribner board-foot scale and cubic-foot scale. Analysis showed that board-foot recovery ranged from 169 percent for 6-inch logs to 103 percent for 34-inch logs. Cubic-volume recovery of rough green lumber increased from 50 percent to 62 percent for the same range of diameters. Yields of higher quality lumber (Shops and Moulding) increased as log diameter increased. Percentage of Scribner scaled defect was found to be correlated with several measures of product recovery.