Split posts and round posts.
Contributors: Forest Products Laboratory (U.S.)
Series: Technical note -- no. 135.; Technical note (Forest Products Laboratory (U.S.)) -- no. 135.
Publisher: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory
Published: 1952
Place of publication: Madison, Wis
Language: eng
Subjects: Wood poles.
Notes: Caption title.

Also issued online.