5k% of the total sawtimber volume is in trees below 21 inches in diameter 



PERCENT OF SAWTIMBER VOLUME 



W. WHITE PINE 

 PONDEROSA PINE 

 WESTERN LARCH 

 DOUGLAS-FIR 

 GRAND FIR 

 ALPINE FIR 

 WESTERN REDCEDAR 

 WESTERN HEMLOCK 

 SPRUCE 



LODGEPOLE PINE 

 W. B^uu/l. PINE 

 COTTONWOOD 



25 50 



BH Small frees 

 I Medium trees 



1 I Large frees 



75 100 



11.0-20 9 

 2/0-30 9" 

 310+ 



Thirty-two percent of the 

 volume is in trees from 21 

 to 30.9 inches and 14 per- 

 cent in trees 31 inches and 

 larger. By species the 

 percentages differ a great 

 deal. For example, 70 per- 

 cent of the ponderosa pine 

 volume is in medium and large 

 trees. Ninety-nine percent 

 of the lodgepole pine volume 

 and almost 100 percent of 

 the white bark and limber 

 pine volume is in small • 

 trees. 



74$ of the total cubic foot volume is in sawtimber trees 



The total timber volume 

 in trees 5.0 inches and 

 larger is 13.2 million 

 cubic feet. 



-4-' 



