The Correspondence and Journals of Captain Nathaniel J. Wyeth, 1831-6
A Record of Two Expeditions for the Occupation of the Oregon Country, with Maps, Introduction and Index
Nathaniel Jarvis Wyeth
Published: 1899
Pages: 262
Describes the famous Battle of Pierre's Hole of that year between the Blackfeet and the trappers and their Indian allies (including the Flatheads). The second section covers Wyeth's observations camping with a Flathead camp during April and May 1833.