Weight of Seasoned Wood in Pounds per Cubic Foot.
35.
Modulus of Elasticity.
1,036,000.
Modulus of Rupture.
11,000.
Remarks.
The white bark is distinct from that of the paper birch in that it does not cover the whole trunk and in that it remains more perfectly intact. [p071]
Paper Birch, White Birch. Betula papyrifera Marsh.
Nomenclature. (Sudworth.)