BULL. DEPT. GEOL. UNIV. CAL 



VOL. 3, PL. 44 



A 



Sawtooth. Showing tin ■ wall of a cirque in its relation to the jointage of 

 the granite. 



Looking northwest from Mt. Whitney, showing in the middle ground a 

 large cirque with tarn. The reduction of mountain crests by the intersection 

 of cirque walls is here well exemplified. The ruck in the foreground is the 

 wall (if an adjacent cirque nut shown. 



