BULL. GEOL. SOC. AM. 



VOL. 19, 1907, PL. 9 



Figure 1. — Strt:.\m Coxglo.mer.\te cappixg Terrace 



In the foreground is the bed of White creek, in which conglomerate is now forming, 

 rhotograph by the U. S. Geological Survey (Robert Anderson). 



Figure 2. — Near View of a hard Ledge of Strea.m Coxglo-MERate 



Note size of detached blocks of conglomerate as compared with man at the left in 

 figure ; also relative hardness of the terrace capping and underlying Cretaceous sand- 

 stone, as shown by the formation of caves in the latter. View looking north across 

 White ci'eek, 14 miles northwest of Coalinga, California. Photograph by the U. S. 

 Geological Survey (Ralph Arnold). 



STREAM CONGLOMERATE 



