Photo by Joseph EK. Pogue 
A VIEW OF THE GREAT RAINBOW (NONNEZOSHE) ARCH FROM UP-CANYON, SHOWING 
THE LOFTY CANYON WALLS AND THE CHARACTER OF THE 
FORMATION FROM WHICH IT IS CARVED 
The arch is carved from a buff-colored, fine-grained sandstone, brick-red upon its surface 
and stained with vertical streaks of a darker shade. Mostly massive, though in part oblique- 
bedded, the rock is only moderately firm, and is easily crushed beneath the blows of a hammer. 
the comparatively narrow defile, through A towering arch, rainbow-shaped, of 
which it is only partly visible; but once wonderful symmetry, rises nearly sheer 
passed under, it may be seen in its mag- from a ledge on the one side, and, span- 
nificence and entirety. ning the stream, joins the opposite can- 
