4th Regiment, US Reserve Corps, Missouri Infantry (3 months, 1861) (Union)

Organized at St. Louis, Mo., May 8, 1861. Attached to Lyons' Command, Army of the West, Capture of Camp Jackson, St. Louis, May 10. Ordered to Rolla, Mo., May 16, and duty there till June 30. (Cos. "A" and "B" at garrison, Waynesville, till June 30.) March to Springfield, Mo., July 1-5 (except Co. "C" at Waynesville and Co. "L" at Lebanon). March to Mt. Vernon to reinforce General Sigel July 7. Return to Springfield July 9. Moved to St. Louis July 17. To Bird's Point, Mo., July 18, and duty there till August. Mustered out August 18, 1861.