A Selected and Annotated Bibliography of Eastern White Pine (Pinus Strobus L.), 1890-1954
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Page : 172 pages
File Size : 29,46 MB
Release : 1966
Category : Pine
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Author :
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Page : 172 pages
File Size : 29,46 MB
Release : 1966
Category : Pine
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Author : Robert W. Wilson
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Page : 166 pages
File Size : 36,41 MB
Release : 1966
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Author :
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Page : 148 pages
File Size : 13,81 MB
Release : 1987
Category : Western white pine
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Page : pages
File Size : 36,41 MB
Release : 1966
Category : Government publications
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Page : 632 pages
File Size : 12,27 MB
Release : 1995
Category : Forests and forestry
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Author : James D. Haywood
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Page : 634 pages
File Size : 35,32 MB
Release : 1999
Category : Forests and forestry
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Author : Northeastern Forest Experiment Station (Radnor, Pa.)
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Page : 166 pages
File Size : 41,80 MB
Release : 1967
Category : Forests and forestry
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Author : Northeastern Forest Experiment Station (Radnor, Pa.)
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Page : 112 pages
File Size : 34,24 MB
Release : 1966
Category : Forests and forestry
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Author : Darwin M. Burgess
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Page : 130 pages
File Size : 17,84 MB
Release : 2011
Category : Forest management
ISBN : 9781100174044
Author : George R. Trimble (Jr.)
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Page : 536 pages
File Size : 36,79 MB
Release : 1965
Category : Hardwoods
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S2Work carried out by the Northeastern Forest Experiment Station in West Virginia in the past 12 years provides useful information about the relationships between tree d.b.h. and butt-log grade. The upper logs are not included in the relationships. Being smaller and containing more knots, these upper logs are generally of lower grade than the butt logs. Thus the average grade of all material in the sawlog portion of the tree is generally lower than the average grade of the butt log. In the West Virginia data, species differences in d.b.h.-grade relationship are readily apparent. This inherent tendency for species to have different proportions of the various grades in logs of the same size is a familiar phenomenon to grade-conscious foresters who work with hardwoods. The results in this paper provide a quantitative evaluation of this tendency for six of the local species.S3.