Guide to grading defects in ponderosa and sugar pine logs, by Willard L. Jackson et al.

Title:	Guide to grading defects in ponderosa and sugar pine logs
Author:	Jackson, Willard L.
Author:	Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Note:	Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1962

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Subject:	Bois -- Classement
Subject:	Grading
Subject:	Hout en houtproducten
Subject:	Internet resource
Subject:	Log grades
Subject:	Logs
Subject:	Pin ponderosa
Subject:	Sugar pine
Subject:	Ponderosa pine
Subject:	Pinus ponderosa (species)
Subject:	Timber -- Grading
Subject:	Wood and Wood Products
Subject:	bomen
Subject:	bosbouw
Subject:	Forests and forestry
Subject:	hout
Subject:	houtproducten
Subject:	indeling
Subject:	kwaliteit
Subject:	Jeffrey pine
Subject:	Quality
Subject:	sorteren
Subject:	sorting
Subject:	Trees
Subject:	Wood
Subject:	Wood products
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