Douglas -fir_______ 
Ponderosa pine_ 
True firs 
Western hemlock__ 
Sugar and 
white pines______ 
Redwood_________ 
Sprucesew eaten 
Lodgepole pine___ 
Other softwood___ 
So. yellow pines __ 
Spruce and fir __ 
White and red pine 
Hemlock 
Beech, birch, 
_ and maple 
Sweetgum 
Blackgum ond 
water tupelo____ k 
Other hardwood___ 
Cottonwood, aspen. 
Yellow-poplar______ eet 
ee ee ee ee eer 
RX QQ AAAAAAAAAMAMAA-_A-_A-_AQA A AA{N 
Bane 
RMS Qa 
RRs Een 
MOE 8ix0.g 
XXX Xn 
Oy 
SECTIONAL GROUPS AND KEY 
Western 
Bee eee “2 | 
softwood. LSS KR 
Eastern 
softwood. LLY 
Eastern Ee 
hardwood. __Kxxes 
200 400 600 800 1,000 
BILLION BOARD FEET 
BILLION BOARD FEET 
FIGURE 5.—Saw-timber volume, by kind of wood, United States, 1945. 
Miscellaneous Publication 668, U. S. Department of Agriculture 
