Illustrations 
XXXlll 
PAGE 
Major Powell in the Field, 1872 . . . . .315 
Navajos in Characteristic Dress ..... 318 
Photograph by F. S. Dellenbaugh. 
Marble Canyon . . , . . . . . .321 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
Marble Canyon near the Lower End .... 324 
Walls about 3500 feet. 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
F. S. Dellenbaugh, 1872 ....... 326 
Tintype by J. K. Hillers. 
Granite Falls, Grand Canyon.327 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
Running the “Sockdologer,” Grand Canyon . . 329 
Fall 80 feet in ^ mile. 
Studio painting by F. S. Dellenbaugh. 
Looking up a Side Canyon of the Grand Canyon in the 
Kaibab Division ........ 333 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
A Capsize in the Grand Canyon.335 
Drawing by F. S. Dellenbaugh. 
The Grand Canyon, Looking down from Mouth of 
Kanab Canyon in Winter ...... 338 
Photograph by E. O. Beaman. 
The Outlet of the Creek in Surprise Valley near the 
Mouth of Kanab Canyon, Grand Canyon . . 339 
Photograph by E. O. Beaman. 
Mouth of Kanab Canyon.340 
Abandoned boats of the U. S. Colo. Riv. Exp., 1872. 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
Camp at Oak Spring, Uinkaret Mountains . . . 343 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
Mukoontuweap Canyon, North Fork of the Virgen . 344 
Ten miles long, 3500 feet deep. 
Photograph by J. K. Hillers, U. S. Geol. Survey. 
