U. S. GEOLOGICAL SURVEY BULLETIN 707 PLATE XXIX 
PILLARS OF HERCULES. 
: to a height 
2 i 
phere heyenne Canyon is a miniature Yosemite with massive grani and to the 
700 or 800 feet. This view shows the road leading up to the Ji 1 by the soft 
Seana grave of Helen Hunt Jackson. Here and tl the rocky wi nthe sar eve beneath 
cis ige of trees that grow in clefts in nag rocks, and the - rippling stream — ish rt anyon & 
tangle of 2 bs Sal cree ping vine Photograph furnished by the Cheyenne Cany 
Se sven Falls De eaboiunnains Ce 
