Son. AND "\ 

 SITUATION J 



QUALITY II. 



SILVER FIR 



[Continued. 



* This sum represents the average nett income per acre which will be earned upon the average 

 accumulated capital when once the forest is in proper working rotation, i.e., when it is normally stocked 

 witli crops of all ages from one year old up to maturity. The cost of replanting is estimated at 5 per 

 acre, and It is assumed that the land is allowed to lie fallow for one year. 

 83 



Diagrams 



showing 



proportion of 



Thinnings to 



Final Crop. 



On a 

 7O-ycar 



rotation. 



IN VOLUME. 

 (To 3 inches diameter. ) 



IN VALUE. 



On a 

 90-year 



rotation. 



The most profitable rotation 



(according to the yields and prices indicated) 

 Is one of 7O years, if interest is reckoned at 3J or 4 per cent 



Prices of Timber (standing). 



The timber has been valued according to the following scale of 

 prices : 



Per cub. ft. 



D. 



Trees containing less than 5 cub. ft . . .0 



,, 5 cub. ft. and less than 9 cub. ft. 



9 14 



14 20 



20 32 



,, 32 ,, and over . . .0 



Including 



"tops " to 3 in. 



diameter. 



