Bulletin No. 308 Series { £ ^ mm ? "P 1 °° 
I B, Descriptive Geology, 111 
DEPARTMENT OF THE INTERIOR 
UNITED STATES GEOLOGICAL SURVEY 
CfiAKLES D. WALCOTT, Director 
GEOLOGIC RECONNAISSANCE 
SOUTHWESTERN NEVADA AND 
EASTERN CALIFORNIA 
SYDNEY H. BALL 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
19 07 
