164 



A MILL SCALE STUDY OF WESTERN YELLOW TINE. 



45OO| 



4000 



DIAMETER BREASTHIGH INCHES 



FIG. 209. A graphic representation of the average volume m board feet .of each 

 grade sawed from immature trees of different diameters breasthigh (Values given 

 in Table 3.) This summary diagram shows at a glance the relative weights oi 

 the various grades, and is constructed by plotting the sum of the individual grad 

 under the total sawed out curve. (The whole the sum of all of its parts.; 



