68 BULLETIN" 285, U. S. DEPARTMENT OF AGRICULTURE. 



Table 43. — Form of yellow birch in the Lake States — Continued. 



80-FOOT TREES. 



Diame- 

 ter, 

 breast- 

 high. 



Height above ground— feet. 



Basis. 



1 



2 



3 



4.5 



9.15 



17.3 



25.45 



33.6 



41.75 



49.9 



58.05 



66.2 



74.35 



Diameter inside bark — inches. 



Inches. 



8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 



10.3 

 11.7 

 12.9 

 14.3 

 15.6 

 17.0 

 18.4 

 19.7 

 21.1 

 22.5 

 24.0 

 25.4 

 27.0 

 28.5 

 30.2 

 31.8 

 33.5 

 35.3 

 37.0 

 38.7 

 40.5 



8.7 

 9.7 

 10.8 

 11.9 

 13.1 

 14.1 

 15.3 

 16.3 

 17.5 

 18.6 

 19.8 

 20.9 

 22.2 

 23.4 

 24.6 

 26.0 

 27.4 

 28.9 

 30.3 

 31.8 

 33.4 

 34.9 

 36.6 



8.0 

 9.1 

 10.0 

 11.0 

 12.1 

 13.0 

 14.0 

 15.1 

 16.1 

 17.1 

 18.1 

 19.1 

 20.2 

 21.2 

 22.2 

 23.2 

 24.1 

 25.3 

 26.3 

 27.3 

 28.3 

 29.3 

 30.3 



7.6 

 8.6 

 9.5 

 10.4 

 11.3 

 12.3 

 13.2 

 14.1 

 15.1 

 16.0 

 16.9 

 17.8 

 18.8 

 19.7 

 20.6 

 21.5 

 22.4 

 23.3 

 24.2 

 25.1 

 26.0 

 26.9 

 27.8 



7.1 

 8.0 

 8.9 

 9.7 

 10.5 

 11.4 

 12.2 

 13.1 

 13.9 

 14.8 

 15.6 

 16.4 

 17.3 

 18.1 

 19.1 

 19.7 

 20.5 

 21.3 

 22.1 

 23.0 

 23.7 

 24.6 

 25.3 



6.5 

 7.3 

 8.2 

 8.9 

 9.6 

 10.3 

 11.1 

 11.8 

 12.7 

 13.4 

 14.2 

 14.9 

 15.6 

 16.4 

 17.2 

 17.8 

 18.5 

 19.3 

 20.0 

 20.8 

 21.5 

 22.3 

 23.0 



6.1 

 6.9 

 7.6 

 8.3 

 9.1 

 9.7 

 10.4 

 11.2 

 11.9 

 12.6 

 13.3 

 13.9 

 14.7 

 15.3 

 16.0 

 16.6 

 17.3 

 18.0 

 18.7 

 19.3 

 20.0 

 20.7 

 21.3 



5.4 

 6.3 

 6.9 

 7.7 

 8.4 

 9.1 

 9.7 

 10.5 

 11.1 

 11.8 

 12.5 

 13.1 

 13.7 

 14.3 

 14.9 

 15.5 

 16.1 

 16.8 

 17.4 

 17.9 

 18.5 

 19.1 

 19.7 



4.7 

 5.4 

 6.0 

 6.8 

 7.4 

 8.1 

 8.7 

 9.4 

 10.1 

 10.7 

 11.3 

 11.9 

 12.5 

 13.1 

 13.7 

 14.2 

 14.7 

 15.3 

 15.9 

 16.4 

 17.0 

 17.5 

 18.0 



3.7 

 4.3 

 4.8 

 5.4 

 6.0 

 6.6 

 7.3 

 7.9 

 8.4 

 8.9 

 9.6 

 10.1 

 10.7 

 11.3 

 11.8 

 12.3 

 12.9 

 13.4 

 13.8 

 14.3 

 14.8 

 15.4 

 15.9 



■ 2.7 

 3.1 

 3.6 

 4.0 

 4.5 

 4.9 

 5.4 

 5.9 

 6.3 

 6.8 

 7.3 

 7.8 

 8.3 

 8.7 

 9.2 

 9.7 

 10.2 

 10.6 

 11.0 

 11.4 

 11.8 

 12.3 

 12.7 



1.7 

 2.0 

 2.3 

 2.5 

 2.8 

 3.1 

 3.5 

 3.7 

 4.0 

 4.4 

 4.7 

 5.0 

 5.4 

 5.6 

 6.0 

 6.4 

 6.8 

 7.0 

 7.3 

 7.6 

 7.9 

 8.1 

 . 8.5 





Trees. 







1 

 2 

 3 

 9 

 9 



10 

 6 



11 

 413 



12 

 9 

 5 

 2 

 1 

 2 

 1 

 2 

 1 









1 



100 



90-FOOT TREES. 



16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 



20.6 

 22.3 

 24.0 

 25.6 

 27.3 

 29.0 

 30.6 

 32.5 

 34.2 

 36.0 

 37.6 

 39.6 

 41.7 



17.7 

 18.9 

 20.0 

 21.3 

 22.6 

 24.0 

 25.3 

 26.7 

 28.1 

 29.6 

 31.0 

 32.6 

 34.2 

 35.9 

 37.5 



16.4 

 17.4 

 18.4 

 19.4 

 20.5 

 21.5 

 22.6 

 23.6 

 24.7 

 25.6 

 26.6 

 27.7 

 28.8 

 29.9 

 30.9 



15.1 

 16.1 

 .16.9 

 17.9 

 18.8 

 19.8 

 20.7 

 21.7 

 22.7 

 23.6 

 24.5 

 25.5 

 26.5 

 27.5 

 28.6 



13.9 

 14.7 

 15.6 

 16.3 

 17.2 

 18.1 

 18.9 

 19.7 

 20.6 

 21.4 

 22.2 

 23.2 

 24.0 

 24.9 

 25.8 



12.9 



13.5 



14.3 



15.0 



15.7 



16.5 



17.2' 



17.9 



18.7 



19.5 



20.3 



21.1 



21.9 



22.7 



23.5 



12.1 

 12.7 

 13.4 

 14.1 

 14.7 

 15.5 

 16.1 

 16.8 

 17.5 

 18.2 

 18.9 

 19.6 

 20.4 

 21.1 

 21.8 



11.3 

 11.9 

 12.5 

 13.2 

 13.8 

 14.6 

 15.2 

 15.9 

 16.5 

 17.2 

 17.9 

 18.6 

 19.3 

 19.9 

 20.7 



10.3 

 11.0 

 11.6 

 12.2 

 12.8 

 13.5 

 14.1 

 14.8 

 15.4 

 16.1 

 16.8 

 17.4 

 18.1 

 18.8 

 19.5 



9.3 

 9.8 

 10.4 

 11.0 

 11.5 

 12.1 

 12.7 

 13.3 

 13.9 

 14.5 

 15.1 

 15.7 

 16.2 

 16.9 

 17.5 



7.9 

 8.4 

 8.9 

 9.4 

 9.9 

 10.4 

 10.9 

 11.3 

 11.8 

 12.3 

 12.9 

 13.3 

 13.8 

 14.3 

 14.9 



6.3 



6.6 



7.1 



7. 5 



7.8 



8.1 



8.5 



8.9 



9.3 



9.6 



10.1 



10.5 



10.9 



11.2 



11.7 



4.3 

 4.5 

 4.8 

 5.1 

 5.3 

 5.5 

 5.7 

 6.0 

 6.3 

 6.5 

 6.8 

 7.1 

 7.3 

 7.6 

 7.9 



2 

 3 

 3 

 1 

 3 

 2 

 1 

 1 



1 

 1 



18 



