THE NORTHERN HARDWOOD FOREST. 



49 



Table 17. — Yellow birch in the Lake States, 1 volumes in board feet. 



MAXIMUM TOP DIAMETERS. 





Number of 16-foot logs. 







Diameter, 

 breast- 

 high. 





Diameter 



inside 



bark of 



top. 



Basis. 



1 



1* 



2 







Volume— board feet. 







Inches. 









Inches. 



Trees. 



8 



9 



10 



23 

 28 

 33 







7 

 7 

 8 



11 

 17 

 26 







51 





11 



39 



62 





8 



17 



12 



45 



75 



110 



9 



27 



13 



52 



87 



120 



10 



20 



14 



60 



100 



140 



10 



16 



15 



68 



120 



150 



11 



8 



16 



78 



130 



170 



12 



16 



17 



88 



150 



190 



12 



15 



18 



98 



170 



210 



13 



15 



19 



110 



190 



240 



14 



13 



20 



120 



210 



260 



14 



9 



21 



140 



240 



290 



15 



6 



22 



150 



270 



320 



16 



3 



23 



170 



300 



360 



17 



5 



24 



190 



330 



400 



17 



4 



25 



210 



360 



450 



18 



4 



26 



230 



400 



500 



19 



2 



27' 



260 



440 



550 



19 





28 



280 



480 



600 



20 



1 



29 



310 



520 



650 



21 



2 



30 



340 



570 



710 



22 





237 



1 Gogebic and Wexford Counties, Mich.; Marinette and Vilas Counties, Wis. 



Scaled from taper curves by Scribner Decimal C rule; mostly in 16.3-foot logs, with a few shorter logs 

 where necessary. Stump height 1 foot. Poor utilization. 



Table 18. — Beech in Neio Hampshire, 1 volumes in board feet. 



Diameter, 

 breast- 

 high. 



Number of 16-foot logs. 



Diameter 



inside 



bark of 



top. 



Stump 

 height. 



Basis. 



i 



1 



1* 



2 



21 



3 



3£ 



Volume — board feet in tens. 



Inches. 

 7 

 8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 



1 

 1 

 2 

 2 

 3 

 3 

 4 

 5 

 6 



1 

 2 

 3 



4 

 4 

 6 

 7 

 8 

 10 

 11 

 13 



2 



3 



4 



5 



6 



8 



9 



11 



13 



15 



17 



20 



23 











Inches. 

 6 

 6 

 7 

 8 

 8 

 9 

 10 

 11 

 11 

 12 

 13 

 13 

 14 

 15 

 15 

 16 

 17 

 17 



Feet. 

 1.8 

 1.8 

 1.9 

 1.9 

 2.0 

 2.0 

 2.0 

 2.1 

 2.1 

 2.1 

 2.2 

 2.2 

 2.2 

 2.2 

 2.2 

 2.3 

 2.3 

 2.3 



Trees. 



1 



3 



4 



11 



24 



35 



45 



41 



45 



43 



37 



28 



10 



18 



11 



11 



8 



1 











5 

 6 



8 

 9 

 11 

 13 

 16 

 19 

 22 

 26 

 30 

 34 

 38 

 42 

 46 

 49 















9 

 11 

 13 

 16 

 19 

 22 

 26 

 30 

 35 

 39 

 44 

 48 

 52 

 56 











15 

 18 

 21 

 26 

 30 

 35 

 40 

 44 

 49 

 53 

 58 

 62 



24 

 29 

 34 

 39 

 44 

 49 

 54 

 59 

 64 

 69 









































376 



1 Grafton County. 



Logs scaled as cut, 10 to 16 feet long, by the Scribner Decimal C rule, 

 allowed. 



637°— Bull. 285—15- 4 



Utilization as close as form of tree 



