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Chapter 3. Wood Identification -Cont.
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Wood Protection
Figure 3-2. White Oak, Red Oak, Sweetgum and Black Gum (from left to right) are Four Major Hardwood Species
FIGURE
3-1
Douglas-Fir,
Southern
Yellow
Pine,
Western
Hemlock,
and
White
Fir
(from
left
to
right)
are
Four
Major
Softwood
Species
(note
the
Narrow
Band
of
Heartwood
in
the
Center of
the
Southern
Yellow
Pine
Sample)
3-3
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