[54 



The nexl step is the determination of the average stump height. Bj 

 averaging the heights of the stumps of the entire plot, this height was de- 

 termined as one and one-half feel . 



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Curve based on age and total height of White Oak (Quercus alba), showing time 

 required to grow to any specified height. Based on measurement <>l' thirty trees. 



A curve based on diameter and age at the stump was then drawn, to 

 show the average diameter growth at the slump For each decade. Tins curve 

 smoothed out any irregularities in growth at the stump for the entire number 



