54 



THE USE BOOK. 



This table is intended to be used simply as a guide. The 

 allowances for taper may be varied to conform to the actual taper 

 when necessary. 



Ties may be actually scaled, or reckoned as follows: 



Eight-foot ties, standard face, 33J board feet, each, or 30 ties to 

 the thousand; 6-foot ties, standard face, 25 board feet, each, or 40 

 ties to the thousand. 



Shake and shingle-bolt material is measured by the cord. 



Lagging may be measured by the cord, or linear foot, or where 

 split lagging is used, by the board foot, each cubic foot counting 

 as 12 board feet. 



Poles, posts, piles, and stulls may be scaled, sold by the linear 

 foot, or sold by the piece, as circumstances warrant. 



Unsound or crooked logs will be scaled down to the actual con- 

 tents of merchantable material. All partially unsound but mer- 

 chantable stuff must be scaled, whether removed or not. In 

 ground-rotten timber, butts which, though unsound at heart, 

 contain good lumber toward the outside, are frequently left in 

 the woods. Where such material will pay for sawing, the forest 



