Duty in District of St. Louis, Mo., till December, 1863. Actions at Bloomfield, Mo., September 11 and October 22, 1862. Cape Girardeau April 26, 1863. Ordered to Little Rock, Ark. December, 1863, and duty there till March, 1864. Steele's Expedition to Camden April 23-May 3. Elkin's Ferry, Little Missouri River, April 3–4, 1864. Prairie D'Ann April 9–12. Camden April 15–18. Marks' Mills April 25. Duty at Little Rock till June, 1865. Ordered to St Louis, Mo., and equipped as Cavalry. Moved to Omaha, Neb. Powder River Expedition, march to Powder River and Fort Connor July 1-September 20. Actions on Powder River September 2–8. Mustered out November 22, 1865.