CANYONS OF THE COLORADO.
I climb Mount Trumbull. On our way we pass the point that was the last opening to the volcano.
It seems but a few years since the last flood of fire swept the valley. Between two rough, conical hills it poured, and ran down the valley to the foot of a mountain standing almost at the lower end, then parted, and ran on either side of the mountain. This last overflow is very plainly marked; there is soil, with trees and grass, to the very edge
CAVE LAKE IN KANAB CANYON.
of it, on a more ancient bed. The flood was, everywhere on its border, from 10 to 20 feet in height, terminating abruptly and looking like a wall from below. On cooling, it shattered into fragments, but these are still in place and the outlines of streams and waves can be seen. So