Billion cubic feet 
3 
Hardwoods 
1952 1960 1970 1980 1990 2000 2010 2020 2030 2040 
Figure 12—Roundwood fuelwood from growing stock, selected years, 1952-86, with projections 
to 2040. 
Figure 13—Technology is changing the way the timber resource is utilized. Aspen is now being 
used for structural panels. 
12 
