Grading Options for Western Hemlock "pulpwood" Logs from Southeastern Alaska PDF Download
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Author:
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 20
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Book Description
Properties and grade yield are estimated for structural lumber produced from No. 3, No. 4, and low-end No. 2 grade western hemlock logs of the type previously used primarily for the production of pulp chips. Estimates are given for production in the Structural Framing, Machine Stress Rating, and Laminating Stock grading systems. The information shows that significant amounts of higher grade structural lumber can be produced from these lower grade logs.
Author:
Publisher:
ISBN:
Category : Lumber
Languages : en
Pages : 20
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Book Description
Properties and grade yield are estimated for structural lumber produced from No. 3, No. 4, and low-end No. 2 grade western hemlock logs of the type previously used primarily for the production of pulp chips. Estimates are given for production in the Structural Framing, Machine Stress Rating, and Laminating Stock grading systems. The information shows that significant amounts of higher grade structural lumber can be produced from these lower grade logs.
Author: Thomas Davin Fahey
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 304
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 696
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 554
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Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 354
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Book Description
Author: Susan Willits
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 40
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Book Description
This report summarizes the results of lumber recovery studies at four sawmills in western Oregon and western Washington; two dimension mills, one grade mill, and one timber mill were included. Results from individual mills are reported and discussed. The four mills were also combined to approximate "average" conversion of logs to lumber for the region. Recovery information is presented by diameter and log grade for lumber volume, lumber grade, and lumber and log value.
Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 28
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Author: W. Y. Pong
Publisher:
ISBN:
Category : Incense cedar
Languages : en
Pages : 32
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Book Description
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.
Author: J. A. Kendall Snell
Publisher:
ISBN:
Category : Biomass energy
Languages : en
Pages : 856
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Book Description
