Organized originally as Bowen's Cavalry Battalion, which was designated 9th Cavalry October, 1862, by consolidation with other Companies. Attached to District of Rolla, Dept. of Missouri, to December, 1862. Operations in Boone County November 1-10. Expedition from Rolla to Ozark Mountains and skirmish November 30-December 6 (Co. "H"). Discontinued by consolidation with 10th Missouri Cavalry December 4, 1862. Companies "G" and "H" attached to 3rd Missouri Cavalry December 11, 1862.
SOURCE: Frederick H. Dyer, A Compendium of the War of the Rebellion, Part 3, p. 1309