UNIV. CALIF. PUBL. BULL. DEPT. GEOL. 



[BAKER] VOL, 7, PL. 9 



Fig. 1. — Basin excavated by Bed Rock Canon in the Rosamonu series above the outcrop 

 of the higher interbedded basalt flow, at Ricardo post-office. Typical badland topography 

 of the Rosamond as well as the mantle of Sierra alluvium covering the bevelled surface of 

 the northwestwardly dipping Rosamond illustrated by this view. The dissection of the 

 alluvium and underlying Rosamond is to he noted. Upper surface of upper basalt flow in 

 the left foreground. 



