CHAPTER VII.

Over Mount Washburn to Falls of the Yellowstone--Ascent of Mount Washburn--Extensive View--Steam Puffs--Elephant's Back--Grand Cañon--Yellowstone Basin--The Three Tetons--First View of Yellowstone Lake--Madison Mountains--Gallatin Range--Emigrant Peak--Geological History of the Yellowstone Basin--Ancient Volcanic Action--Descent of Mount Washburn--Hell-broth Springs--The Devil's Caldron--Cascade Creek--The Devil's Den--Crystal Cascade 61