7/f J '/77 
DEPARTMENT OE THE INTERIOR 
Jj/JC 9- C 
BULLETIN 
U! Sluej$TTTE±5 'STATES 
GEOLOGICAL SURVEY 
No. 199 
SERIES 
B, DESCRIPTIVE GEOLOGY, 19 
O, UNDERGROUND WATERS, IS 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1 9014 
