xxvi Illustrations 
PAGE 
Part of Map No. i, by Lieut. J. C. Ives, 1858 . . . 157 
From the Gulf to the mouth of the Gila. 
Robinson’s Landing ........ 159 
Mouth of the Colorado River. Starting-point of Lieut. Ives’s 
Exploration. 
Photograph by Lieut. Ives, redrawn by J. J. Young. 
The Steamer “ Explorer” in which Lieut. Ives in 1857 
Ascended the Colorado to Foot of Black Canyon . 161 
Sketch by H. B. Mollhausen. 
Looking down the Grand Canyon from the Mouth of 
THE Kanab.163 
Depth about 4000 feet. 
Oil sketch by F. S. Dellenbaugh. 
Black Canyon—Looking Down.166 
Photograph by Wheeler Expedition. 
Fortification Rock.168 
Castellated gravels at the foot. Near the head of Black Canyon. 
Photograph by Wheeler Expedition. 
The Canyon of Diamond Creek ...... 169 
Photograph by W. H. Jackson. 
Fort Yuma and the Old Railway Bridge of the South¬ 
ern Pacific ......... 171 
Photograph by C. R. Savage. 
At the Junction of the Green and Grand on the 
Surface.172 
Photograph by E. O. Beaman, U. S. Colo. Riv. Exp. 
The Barrel Cactus Compared with the Height of a 
Man .......... 174 
Photograph by C. R. Savage. 
Canyon of San Juan River Looking West at Honiket 
Trail, Utah ........ 177 
Two thousand feet deep. 
Photograph by Charles Goodman. 
A Glen of Glen Canyon ....... 178 
These are numerous, hence the name. 
Cataract Canyon Rapid at Low Water .... 180 
Photograph by E. O. Beaman, U. S. Colo. Riv. Exp. 
