56 
The Colorado River 
north-westerly edge slopes to the Little Colorado. It bears a 
noble pine forest, and from its summit rise to over 12,000 feet 
the volcanic peaks of the San Francisco Mountains. Its north¬ 
ern edge is the Grand Canyon, which separates it from its kin¬ 
dred on the other side. These and the Colorado Plateau rise 
Character of the Mountains and High Plateau Regions of the Basin of the Colorado. 
Photograph by J. K. Hillers. 
to from 6000 to 8000 feet above sea-level, and it is through this 
huge mass that the river has ground out the Grand Canyon, by 
corrading its bed down tremendously, the bottom at the end 
being only 840 feet above the sea, whereas the start at the 
mouth of the Little Colorado is 2690, Yet here it is already 
