3 66 CAVE AND CLIFF DWELLERS, 
arroyo with its singular columns and pil¬ 
lars, its leaning towers and busts and 
statues, that meet him on every side and 
are repeated every few hundred yards by 
great canons that break off to the right 
and left, and which are perfect duplicates 
of the original through which the trav¬ 
eler wends his way. 
Strange, singular, and curious as are 
these works of nature, they are not so 
astonishing to the average civilized per¬ 
son as the works of man. Among these 
beetling crags and dizzy cliffs savage 
men have found places to erect their 
houses and live their lives. Ladders of 
notched sticks lead from one crag to the 
crest of another, whenever the rude steps 
made by nature do not allow these crea¬ 
tures of the cliffs to climb their almost 
perpendicular faces; a false step on the 
