Mighty Cliffs 285 
river, while we were trying to work the boats past a rapid. 
This photograph is reproduced on this page, and the figures, 
though very small, may be plainly seen. Not far below this 
the walls closed in again. Powell and Thompson tried to 
Cataract Canyon, Right-hand Wall toward Lower End. 
Height about 2700 feet. Note figures of men near edge of water, lower right- 
hand corner. They show as very small upright dark lines. 
Photograph by E. O. Beaman, U. S. Colo. Riv. Exp. 
climb out, but they failed on the first trial and had no time to 
make a fresh start. They came back to camp and as soon as an 
early supper was over we started on—about five o’clock. The 
walls ran close together and at the water were perfectly vertical 
