1948-52 



[ 



175 



1943-47 

 1938-42 

 1933-37 



1948-52 

 1943-47 

 1938-42 

 1933-37 



LIGHT CUTTING 



I 



(10,004 Bd. Ft. Reserve) 



I 



[ 



MEDIUM CUTTING 



I 



(4,150 Bd. Ft. Reserve) 



1948-52 

 1943-47 

 1938-42 



1933-37 



Periods 

 Following Logging 



I 



INGROWTH 



MORTALITY 



GROWTH ON 

 RESERVE 



HEAVY CUTTING 



(2,018 Bd. Ft. Reserve) 



165 

 83 

 - 239 



116 

 1 13 

 105 

 -39 



98 

 49 



-55 



Net 

 Annual Growth 



L 



1.1,1,1 



I . I 



' ' ' 1 ' L .L I I 



50 60 90 120 ISO 210 240 270 



270 240 210 ISO 120 90 60 90 



-300 -150 +150 



Board Feet 



+300 



Figure I- Periodic Annual Board Foot Growth Per Acre 



Following Three Intensities Of Cutting. 



-4- 



