Abstract John Owen (1818-1889), a pioneer fur trader in the Northwest, built Fort Owen in the Bitterroot Valley, Montana Territory, and served as a special agent for the Flathead Indians. Collection contains diaries and journals (1850-1871); a combined register of births, deaths, and marriages of Fort Owen residents; a letterpress book (1858-1859); an account book (1850-1860) for trade at Fort Owen, which also contains accounts (1876-1889) for some other firm; and a bill of sale (1850) for the land...