?ooo 



5000 



-iOj-l- 



Zooo 



1000 



Acje 

 Go 70 SO 90 /oo no I2J0 no 



Fig. 7. Beech; N. Germany; Sites I-V; Normal Yield of Main Stand 

 in cubic ft. per acre. Also points indicating at what age the average tree 

 attains a diameter of 8", lo", etc., and a height of 50 ft., 6o ft., etc. Only 

 wood 3" and over is here considered. 



156 



