Illustrations 
XXI 
PAGE 
The Grand Canyon and Terrace Plateau Region (facing) 41 
The “Hole in the Wall,’’ near Ft. Defiance, Arizona. 41 
This kind of sandstone has the peculiarity of weathering in this way, 
sometimes producing larger arches, alcoves, etc. 
Photograph by Ben Wittick. 
Looking down upon Glen Canyon.43 
Cut through homogeneous sandstone. 
Photograph by J. K. Hillers, U. S. Colo. Riv. Exp. 
Pinnacle in the Canyon de Chelly ..... 45 
About 1500 feet high. It is much wider from the side. 
Photograph by Ben Wittick. 
Bad Lands on Black’s Fork of Green River ... 47 
Photograph by U. S. Geol. Survey. 
In Lower Kanab Canyon ....... 48 
Width about 75 feet. Depth 2500 to 3000 feet. 
Photograph by E. O. Beaman. 
The Pink Cliffs ......... 49 
Southern end of high plateaus. 
Photograph by J. K. Hillers, U. S. Geol. Survey. 
Towers at Short Creek. Southern Utah ... 50 
This is a part of the great line of Vermilion Cliffs. The region here 
represented possesses some of the most magnificent scenery of the 
whole West. 
Outline drawing by W. H. Holmms. 
Map from a United States Geological Survey . . 51 
Gray’s Peak, 14,341 Feet. Torrey’s Peak 14,336 Feet . 52 
Tip-top of the Continental Divide whence the Colorado derives flood 
waters. 
Photograph by U. S. Geol. Survey. 
Balanced Rock ......... 53 
On trail from House Rock Valley to Lee’s Eerj-y. 
Photograph by E. O. Beaman. 
Outline Sketch of the Grand Canyon from Point 
Sublime ......... 55 
Drawn by W. H. Holmes. 
Character of the Mountains and High Plateau Re¬ 
gions OF THE Basin of the Colorado .... 56 
Photograph by J. K. Hillers. 
