62 



Forestry Quarterly. 



^ 



^PQ 



00 



> 2 



VO 00 

 lO 1-1 



l-H \0 



& 





Q 

 ^ 



s m 



ro "O 



<u o 3 i; 

 " i: !; "s 

 Ph H-T Vi c/3 



a 





^ 



tri 



n 



bo *^ 



