Tests of western yellow pine car sills, joists, and small clear pieces
By: by C.W. Zimmerman.
Series: Bulletin / United States Department of Agriculture -- no. 497.; Bulletin of the U.S. Department of Agriculture -- no. 497.
Publisher: U.S. Dept. of Agriculture
Published: 1917
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Wood -- Testing; Ponderosa pine
Notes: Caption title.

"April 4, 1917."

"Professional paper."