The effect of spiral grain on pole twist and bending strength
By: by David P. Lowery and E.C.O. Erickson.
Contributors: Erickson, E. C. O. 1898-
Series: U.S. Forest Service research paper INT -- 35.
Publisher: Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1967
Place of publication: Ogden, Utah
Language: eng
Number of pages: 16
Subjects: Spiral grain.; Wood poles.
Notes: Bibliography: p. 15-16.