Modulus of Elasticity.
1,390,000 (average of 130 tests by U. S. Forestry Div.).[75]
1,210,000.
Modulus of Rupture.
7900 (average of 120 tests by U. S. Forestry Div.).[75]
8900.
Remarks.
Formerly the chief lumber tree of the United States. The supply is rapidly diminishing. [p135]
FOOTNOTES