Photo by Edmund Heller. 



Fig. go. Grand Canyon of the Yellowstone, and Lower Fall, 

 308 feet high. Mountain sheep trails lead down the precipitous 

 slopes to the river ; and the dense lodgepole pine forests on 

 the plateau are the summer home of the grizzly bear. 



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■ Photo by Edmund Hrllcr. 



Fig. 91. Lower end of the Grand Canyon, .near Tower- Fall. 

 The canyon rim is one of the favorite winter homes of mountain 

 sheep. This is where Roosevelt and Burroughs camped and 

 watched them descend the cliffs 600 feet to the river, in 

 April, IQ03. 



