CHAPTER VI.

Gardiner's River to Grand Cañon of the Yellowstone--Forks of Gardiner's River--Gallatin Mountains--Basaltic Columns--Falls of Gardiner's River--Mountain Prospect--Over the Divide--Agatized Wood--Delightful Climate--Mountain Verdure--Volcanic Ridges--Ravines--Third Cañon of the Yellowstone--Hell-roaring River--Hell-roaring Mountain--East Fork of the Yellowstone--Ancient Springs and Calcareous Deposits--First Bridge over the Yellowstone--Rock Cutting--Tower-creek Cañon--Column Rock--The Devil's Den--Tower Falls--The Devil's Hoof--Mineral Springs--Mouth of Grand Cañon 43