Table 10. Net volume of live sawtimber and growing stock on 



commercial forest land by species, North Idaho. 1931 



Species . Sawtimber Growing stock 



Million board feet Million cubic feet 



Softwoods 



Western white pine 



13,381 



2,389 



Ponderosa pine 



6,931 



1,220 



Western larch 



5,553 



1,232 



Douglas-fir 



11,390 



2,462 



Grand fir 



10,720 



2,186 



Alpine fir 



1,225 



310 



Western redcedar 



3,098 



740 



Hemlock l/ 



2,191 



506 



Spruce 



4,770 



860 



Lodgepole pine 



1,224 



1,249 



Whitebark and limber pine 



35 



12 



Total 



60,518 



13,166 



Hardwoods 

 Aspen 



Zj 2/ 

 Cottonwood 167 39 



Birch - 5 



Total 167 44 



Total, all species 60,685 13,210 



1/ Includes 78 million board feet and 18 million cubic feet of 

 mountain hemlock. 



2/ Less than 0.5 million feet. 



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