bo 
Figure 4.7—Projections of softwood lumber and sawtimber stumpage price indexes in the South, with and without additional 
Price index (1967 = 100) 
350 Softwood lumber 
300 
250 
Base 
200 \ 
150 
400 Improved processing efficiency 
50 
1990 2000 2010 2020 2030 
Price index (1984 = 100) 
350 Softwood sawtimber stumpage 
300 
250 
200 
150 
— 
Improved processing efficiency 
100 
50 
1990 2000 2010 2020 : 2030 
improvements in processing efficiency 
