James Houston-Co. F
Albert Troester--Co. E

Organized at St. Louis, Mo., August, 1861. Attached to Dept. of Missouri to May, 1862. 2nd Brigade, 3rd Division, Army of the Mississippi, to November, 1862. 2nd Brigade, 7th Division, Left Wing 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 2nd Brigade, 7th Division, 16th Army Corps, to January, 1863. 2nd Brigade, 7th Division, 17th Army Corps, to September, 1863. 2nd Brigade, 2nd Division, 17th Army Corps, to December, 1863. 2nd Brigade, 3rd Division, 15th Army Corps, to October, 1864.

SERVICE.--Guarding Pacific Railroad until November, 1861. Expedition through Jefferson County September 1-3. Fulton, Mo., October 28. At Hermann, Mo., December 1-23. Expedition through Warren, Callaway, Boone and Audrain Counties December, 1861. At Warrenton, Mo., until February, 1862. At High Bridge until April. At Cape Girardeau, Mo., until April 30. Moved to Pittsburg Landing, Tenn., April 30. Coffey's Landing, Tenn., May 2. Siege of Corinth, Miss., May 5-30. Action at Farmington May 9 (Reserve). Skirmish on Booneville Road May 29. Pursuit to Booneville May 31-June 12. At Corinth until August. At Jacinto until September 18. Battle of Iuka September 19. Battle of Corinth October 3-4. Grant's Central Mississippi Campaign November, 1862, to January, 1863. Escort train to Memphis, Tenn., December 20-30, 1862. Guard duty on Memphis & Charleston Railroad at Germantown and near Memphis until March, 1863. Expedition to Yazoo Pass and operations against Fort Pemberton and Greenwood March 13-April 5. Moved to Milliken's Bend, La., and duty there until April 25. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Port Gibson May L (In support). Big Black River May 3. Battles of Raymond May 12. Jackson May 14. Champion's Hill May 16. Siege of Vicksburg, Miss., May 18-July 4. Assaults on Vicksburg May 19 and 22. Surrender of Vicksburg July 4. Garrison duty at Vicksburg until September 12. At Helena, Ark., until October 1. Moved to Memphis, thence march to Chattanooga, Tenn., October 1-November 22. Operations on Memphis & Charleston Railroad in Alabama October 20-29. Chattanooga-Ringgold Campaign November 23-27. Tunnel Hill November 23-24. Mission Ridge November 25. At Bridgeport, Ala., until January 1, 1864. At Royd's Station and Brownsboro, Ala., along Memphis & Charleston Railroad until June 15. (Constructed bridge across Flint River at Brownsboro.) Moved to Kingston, Ga., via Huntsville and Stevenson, Ala., June 15-20. Moved to Resaca July 2, and duty there until August 17. (Cos. "I" and "K" until October.) Defense of Resaca October 12-13 (Cos. "I" and "K"). Companies "A," "B," "C," "D," "E," "F" and "G" left for muster out August 17, and mustered out August 24, 1864. Company "H" attached to Company "E," 24th Missouri Infantry. Companies "I" and "K" mustered out October 31, 1864.
Regiment lost during service 3 Officers and 98 Enlisted men killed and mortally wounded and 2 Officers and 228 Enlisted men by disease. Total 331.