Spiral grain : a cause of pole twisting / by Charles A. Wellner and David P. Lowery.

Title: Spiral grain : a cause of pole twisting / by Charles A. Wellner and David P. Lowery.
Author(s): Wellner, C. A.
Publisher: Ogden, Utah : Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967.
Subject(s): Spiral grain.

 LDR 00856cam  2200253 a 4500
001     AUA010117170
008     740828s19670000utua00000b000f000000eng0u
035 00 _a (OCoLC)00991020
040 00 _d m.c.
       _d OCL
       _d m/c
       _d RQF
049 00 _a RQFU
070 00 _a A99.9
       _b F764U no.38
072 00 _a F600
086 00 _a A 13.78:INT-38
090 00 _a SD144.A118
       _b A2 no.38
092 00 _a 634.9
       _b Un3127up, no.38
100 10 _a Wellner, C. A.
245 10 _a Spiral grain :
       _b a cause of pole twisting /
       _c by Charles A. Wellner and David P. Lowery.
260 00 _a Ogden, Utah :
       _b Intermountain Forest & Range Experiment Station,
 Forest Service, U.S. Dept. of Agriculture,
       _c 1967.
300 00 _a 17 p. :
       _b ill. ;
       _c 27 cm.
440 00 _a U.S. Forest Service research paper INT ;
       _v 38
504 00 _a Bibliography: p. 16-17.
650 00 _a Spiral grain.
650 00 _a Wood poles.
700 10 _a Lowery, David P.
       _w cn