xlvi 



INTEODUCTION. 



Since Lieutenant Ives' expedition in 1857-8, no attei] 

 s been made to throw any further light upon the structi 

 geography of this wondrous gorge. It chanced, howcT 

 at whilst our parties were conducting their surveys ale 



Above 

 Colorado. 



6,500 ft. 



4,300 ft 



3,300 ft: 



1,000 ft. 



Above 

 the Sea. 



4 



1 



6,S00 ft. 



1 



5,600 ft. 



I 



1 



4,600 ft. 



f 



J 



■ft 



2,300 ft. k 



1,300 ft. 



Section of the Cauon of the Colorado on the High Mesa west of the Little Colorado (by X S. Kewbeny, M-I*> 



the Colorado 

 James "White 



Cliiniiito. an imfortiiiiate 



prospector, nam 



ed 





chasm upon a sim 



account of this hazardous and thrilling adventure 



As a full 

 will be 



