U
United States. Division of Forestry
5 works on record
Works

Circular ..., Issues 131-159

The Government timber tests

Strength of "boxed" or "turpentine" timber
Report on the big trees of California. Prepared in the Division of Forestry, U. S. Department of Agriculture
Report on the big trees of California. Prepared in the Division of Forestry, U. S. Department of Agriculture
Timber physics
Timber physics