61G 



JOURNAL 01" FORESTRY 



Diameter Breast Higfj- Inches 



Figure 1.-— Diagram of diameter growth balsam fir mixed type — cutover North Central 

 New Brunswick. Figures on the graph represent the number of trees used to locate each 

 point. 



Figure 2. — Same data extended into a continuous growth curve. Points connected by 

 straight lines in actual position. 



