j|. 49, Bureau of Forestry, U. S. Dept. of AgriculU 



PLATE I. 



FIG. 1. VIEW OF TIMBER (MOSTLY CEDAR) ON WHITE, CRUMBLY LIMESTONE; HIGHER 

 REMNANTS OF PLATEAU IN DISTANCE. 



No soil accumulates except under clumps of cedar. Colorado breaks 10 miles north of Austin. 



FIQ. 2. COMAL RIVER AT ITS SOURCE ESCARPMENT TIMBER. 



