Bui. 1298, U. S. Dept. of Agriculture 
Plate II 
Fig. 1. — He art -rot ted hemlock as delivered to a mill. The largest log is about 3 feet in 
diameter with a shell of sound wood not exceeding 6 inches in thickness. A large propor- 
tion of hemlock is defective from heart rot 
Fig. 2. — Bark and insect borings near the base of close-ranked piles of mixed spruce and 
balsam. Such debris hinders the seasoning process 
Fig. 3. — Mixed spruce and tamarack pulp logs seen after they were received at a mill. Xotc 
the excessive amount of sap rot. These logs may have been rotten fallen material salvaged 
from the woods, or the decay may have developed during too long storage previous to 
delivery. Such wood should never be mixed with sound wood during storage 
Fig. 4. — Eight-foot spruce stored in the river. Logs which are not kept saturated will decay 
