U. S&. GEOLOGICAL SURVEY BULLETIN 613 PLATE IX 
ASAT Tog | \NDST { CT c INNID ATL alla 
WALL OF ST OF TRINIDAD, COLO. 
eG let rin SER ‘ ik Btn * + 3 f+ 
g edge of sandstone turned on ea e ocky Mountain uplift. Soft overlying shales t 
eit o 1e j igh 
g 
nt. 
Outcroppin 
s tothe r 
