﻿Bui. 24, U. S. Dept. of Agriculture. 



Plate III. 



Fig. 1.— Merchantable Stand of Pure Cottonwood, 

 44 Years Old, Showing Characteristic Straight, 

 Clear Growth. 







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Fig. 2.— Pure Cottonwood Thicket, 10 Years Old, Showing Early Density. 



