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 Read by R. S. Steinberg
16:55
2
Chapter II. Breaking the Ice Read by R. S. Steinberg
22:21
3
Chapter III. Fort Leavenworth Read by R. S. Steinberg
7:01
4
Chapter IV. “Jumping Off” Read by R. S. Steinberg
22:46
5
Chapter V. The “Big Blue” Read by R. S. Steinberg
36:48
6
Chapter VI. The Platte and the Desert Read by R. S. Steinberg
28:41
7
Chapter VII. The Buffalo Read by R. S. Steinberg
34:10
8
Chapter VIII. Taking French Leave Read by R. S. Steinberg
33:42
9
Chapter IX. Scenes at Fort Laramie Read by R. S. Steinberg
31:39
10
Chapter X. The War Parties Read by R. S. Steinberg
48:37
11
Chapter XI. Scenes at the Camp Read by R. S. Steinberg
43:21
12
Chapter XII. Ill-Luck Read by R. S. Steinberg
15:15
13
Chapter XIII. Hunting Indians Read by R. S. Steinberg
51:16
14
Chapter XIV. The Ogillallah Village Read by R. S. Steinberg
42:29
15
Chapter XV. The Hunting Camp Read by R. S. Steinberg
48:33
16
Chapter XVI. The Trappers Read by R. S. Steinberg
20:27
17
Chapter XVII. The Black Hills Read by R. S. Steinberg
8:59
18
Chapter XVIII. A Mountain Hunt Read by R. S. Steinberg
25:50
19
Chapter XIX. Passage of the Mountains Read by R. S. Steinberg
35:21
20
Chapter XX. The Lonely Journey Read by R. S. Steinberg
43:31
21
Chapter XXI. The Pueblo and Bent's Fort Read by R. S. Steinberg
15:10
22
Chapter XXII. Tete Rouge, the Volunteer Read by R. S. Steinberg
9:17
23
Chapter XXIII. Indian Alarms Read by R. S. Steinberg
23:25
24
Chapter XXIV. The Chase Read by R. S. Steinberg
19:44
25
Chapter XXV. The Buffalo Camp Read by R. S. Steinberg
32:47
26
Chapter XXVI. Down the Arkansas Read by R. S. Steinberg
37:37
27
Chapter XXVII. The Settlements Read by R. S. Steinberg
22:15
From LibriVox, read by volunteers and in the public domain. LibriVox page (opens librivox.org) , the text (opens gutenberg.org) , all files on the Internet Archive (opens archive.org) .