50 



BULLETIN 55, U. S. DEPARTMENT OF AGRICULTURE. 



Table 30. — Merchantable volume of balsam fir in New York, in cubic feet inside the hark, 

 on basis of diameter and height. 



[Average top diameter, 4 inches; based on 947 trees.] 



Height of tree (feet). 



Diameter breast high (inches). 



40 



50 



60 



70 



80 





Merchantable volume (cubic feet).- 



6 



3.5 



4.5 

 5.9 

 7.6 



4.0 

 5.1 

 6.8 

 8.9 

 11.2 

 13.6 











5.9 

 8.0 

 10.4 

 13.0 

 15.6 

 18.3 

 21.1 







8 



9.1 

 11.9 

 14.8 

 17.6 

 20.9 

 24.5 

 28.4 

 32.9 

 37.8 





9 





10 



16.6 



11 ... 





19.8 



12 





23.6 



13 







27.7 



14 







32.2 



15 









37.5 



16 . 









43.2 

















Table 31. — Merchantable- volume of balsam, fir in Maine, in cubic feet inside the bark, 

 on basis of diameter and height. 



[Average top diameter, 4 inches; based on 330 trees.] 





Height of tree (feet). 



Diameter breast high' (inches).' 



50 60 



70 



SO 



90 





Merchantable volume (cubic feet). 



s 



7.7 

 9.4 

 11.3 

 13.5 



9.3 

 11.3 

 13.7 

 16.4 

 19.4 

 22.9 



10.7 

 13.1 

 15.9 

 19.1 

 22.4 

 26.1 



12.2 

 14.9 

 18.1 

 21.6 

 25.4 

 29.4 

 34.0 

 39.0 





(4 





10 





11 



23.6 



12 



27.7 



13 





32.4 



14 





37.8 



l.i 









44.1 













Table 32. — Merchantable volume of balsam fir in Grafton County, N. H., in cubic feci 

 inside the bark, on basis of diameter and height. 



[Top diameter, 6 inches.] 





Height of tree (feet). 



Diameter breast hish (inches). 



40 



50 



60 





Merchantable volume 

 (cubic feet). 



6 



1.9 

 3.9 

 6.0 

 8.3 

 10.8 

 13.5 



2.1 



4.4 

 6.8 

 9.5 

 12.3 

 15.3 

 18.5 

 23.7 





7 



5.0 



8 



7.8 



9 



10.9 



10 



14.2 



11 



17.6 



12 



21.2 



13 





25.0 



14 





28.8 



15 , 







32.9 











