Jul. 49, Bureau of Forestry, U. S. Dept. of Agriculture. 



Plate V. 



Fig. 1.— "South Gorge'' at its Head under Lone Tree Hill, near Austin. 

 The slopes have been denuded of timber. The run-off water after heavy rainfall is very violent. 



Fig. 2.—" North Gorge" from Lone Tree Hill. 

 Heavily timbered slopes. Violence of rainfall broken and rapid run-off prevented. 



