Bulletin No. 8, Division of Forestry, 



Plate X. 



Fig. 1. — Diagram showing- the iuoiciMse in shearing streugth, with decrease iu the percentage of moisture. 



^ d 



DO i-" 



i)d CC 



00 UJ 



O 0- 



5 « 



X - 



I- 



03 



1/3 



3 

 —I 

 3 

 Q 

 O 



Fig. 2. — Diagram showing the relation between strength aiul stiti'uess, when reduced to 15 per cent moisture. 



