38 



BULLETIIT 820, U. S. DEPARTMENT OF AGRICULTURE. 



Table 21. — Taper of jack pine trees of different diameters and heights, showing diameter 

 inside baric at different heights above the ground — Continued. 



50-FOOT TREES. 



Diam- 

 eter 

 breast 

 higt. 



Height above ground (feet). 



4.5 9.15 17.3 25.45 33.6 41.75 49 



Diameter inside bark (inches). 



Basis. 



Inches. 

 4 

 5 

 6 



7 



4.1 



3.9 



3.8 



3.6 



3.5 



3.2 



2.8 



2.1 



1.3 



5.1 



4.9 



4.7 



4.6 



4.4 



3.9 



3.3 



2.5 



1.4 



6.1 



5.9 



5.7 



5.5 



5.2 



4.6 



3.9 



2.9 



1.6 



7.2 



6.9 



6.6 



6.4 



6.0 



5.3 



4.4 



3.3 



1.8 



8.2 



7.8 



7.6 



7.3 



6.8 



6.0 



4.9 



3.7 



2.0 



9.2 



8.8 



8.5 



8.2 



7.6 



6.7 



5.5 



4.0 



2.2 



10.2 



9.8 



9.5 



9.1 



8.4 



7.4 



6.0 



4.4 



2.5 



11.2 



10.8 



10.4 



r« 



9.2 



8.0 



6.6 



4.8 



2.7 



12.2 



11.7 



11.4 



10.0 



8.7 



7.2 



5.2 



2.9 



13.2 



12.7 



12.3 



11.9 



10.8 



9.3 



7.7 



5.6 



3.1 



14.2 



13.6 



13.2 



12.8 



11.6 



10.0 



8.2 



6.0 



3.3 



15.1 



14.6 



14.1 



13.7 



12.4 



10.7 



8.8 



6.4 



3.5 



16.1 



15.5 



15.0 



14.6 



13.2 



11.3 



9.4 



6.8 



3.7 



17.0 



16.4 



15.9 



15.5 



14.0 



12.0 



9.9 



7.2 



3.9 



18.0 



17.3 



16.8 



16.4 



14.7 



12.7 



10.5 



7.6 



4.1 



Trees. 

 8 



34 



39 



36 



17 



14 



14 



8 



6 



2 



1 



179 



60-FOOT TREES. 



6 



6.1 



5.9 



5.7 



5.6 



5.2 



4.8 



4.3 



3.7 



2.9 



1.7 



7 



7.2 



6.9 



6.6 



6.4 



6.1 



5.5 



4.9 



4.2 



3.3 



1.9 



8 



8.2 



7.8 



7.6 



7.3 



6.9 



6.2 



5.6 



4.8 



3.7 



2.2 



9 



9.2 



8.8 



8.5 



8.2 



7.7 



6.9 



6.2 



5.3 



4.0 



2.4 



10 



10.2 



9.8 



9.5 



9.1 



8.6 



7.7 



6.9 



5.9 



4.4 



2.6 



11 



11 2 



10.8 



10.4 



10.1 



9.5 



8.5 



7.5 



6.4 



8.4 



2.8 



12 



12.2 



11.7 



11.4 



11.0 



10.3 



9.2 



8.2 



6.9 



5.2 



3.1 



13 



13.2 



12.7 



12.3 



11.9 



11.2 



10.0 



8.8 



7.4 



5.5 



3.3 



14 



14.2 



13.6 



13.2 



12.8 



12.0 



10.7 



9.5 



7.9 



5.9 



3.5 



15 



15.1 



14.6 



14 1 



13.7 



12.8 



11.5 



10.1 



8.4 



6.3 



3.7 



16 



16.1 



15.5 



15.0 



14.6 



13.6 



12.2 



10.8 



9.0 



6.7 



4.0 



17 



17.0 



16.4 



15.9 



15.5 



14.4 



13.0 



11.4 



9.5 



7.1 



4.2 



18 



18.0 



17.3 



16.8 



16.4 



15.2 



13.7 



12.0 



10.0 



7.5 



4.4 



19 



19.0 



18.2 



17.7 



17.3 



16.0 



14.4 



12.7 



10.5 



7.8 



4.6 



20 



19.9 



19.1 



18.6 



18.2 



16.8 



15.1 



13.4 



11.1 



8.2 



4.9 



