The book is a breezy, first-person account of a 2 month summer tour of the U.S. states of Nebraska, Wyoming, Colorado, and Kansas when Parkman was 23. (Summary by Wikipedia)
Chapters
1 Chapter I. The Frontier 17 min 2 Chapter II. Breaking the Ice 22 min 3 Chapter III. Fort Leavenworth 7 min 4 Chapter IV. "Jumping Off" 23 min 5 Chapter V. The "Big Blue" 37 min 6 Chapter VI. The Platte and the Desert 29 min 7 Chapter VII. The Buffalo 34 min 8 Chapter VIII. Taking French Leave 34 min 9 Chapter IX. Scenes at Fort Laramie 32 min 10 Chapter X. The War Parties 49 min 11 Chapter XI. Scenes at the Camp 43 min 12 Chapter XII. Ill-Luck 15 min 13 Chapter XIII. Hunting Indians 51 min 14 Chapter XIV. The Ogillallah Village 42 min 15 Chapter XV. The Hunting Camp 49 min 16 Chapter XVI. The Trappers 20 min 17 Chapter XVII. The Black Hills 9 min 18 Chapter XVIII. A Mountain Hunt 26 min 19 Chapter XIX. Passage of the Mountains 35 min 20 Chapter XX. The Lonely Journey 44 min 21 Chapter XXI. The Pueblo and Bent's Fort 15 min 22 Chapter XXII. Tete Rouge, the Volunteer 9 min 23 Chapter XXIII. Indian Alarms 23 min 24 Chapter XXIV. The Chase 20 min 25 Chapter XXV. The Buffalo Camp 33 min 26 Chapter XXVI. Down the Arkansas 38 min 27 Chapter XXVII. The Settlements 22 min