GROWTH Oi* r.ALSAM FIR IX TIIK AUIROXDACKS 

 Table 2 



307 



Age class and aveiane asre. 



Merch. 



height, 



feet. 



Total 



height, 



feet. 



Crown , U. b. h. 

 lenfifth, ib., 



feet. inches. 



Stump 

 height, 

 inches. 



Number 

 of trees 

 in class. 



46.7 



47-7 

 48 

 47 

 50 



47-7 



62.7 



63 

 64 

 64 

 64 



64 



31 

 31.6 



33 



9-03 



9-15 



9-6 



9-25 



9.8 



9.2 



II. 7 

 II 



12.2 

 II. 4 

 12.4 



13,6 



22 

 70 

 38 

 40 

 30 



8 

 208 



Age class 



SO- 60.. 

 60- 70. . 

 70- 80.. 

 So- 90. . 

 90-100. . 



lOO-IIO. . 



Table 3. — Stump Diameter Growth Table for Balsam 

 208 trees. Mathematical averages — not curved 



Diameter in inches by decades 



A , 



12345 6 7 8 9 10 II 



78 2.56 4.64 6.76 8.88 10.48 



64 1.64 3.76 5-8 7-68 9.74 10.88 



36 I. 18 2.16 4.32 6.50 8.40 10.20 11.48 



35 .81 1.40 2.42 4.30 6.60 8.28 10.00 II. 10 



40 1. 00 1.52 2.52 3.70 5.46 7.62 9.36 11.40 12.8 



32 .78 1.30 1.75 2.72 3.80 5.60 7.56 9.06 10.64 11.64 



