Organized at Camp Dubois, Anna, Ill., and mustered in April 10, 1862. Moved to Cairo, Ill., April 27, 1862. Attached to District of Cairo, Ill., till September, 1862. 4th Brigade, 1st Division, District of Jackson, Tenn., to November, 1862. 4th Brigade, 3rd Division, Right Wing 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 3rd Brigade, 3rd Division, 17th Army Corps, to January, 1863. District of Memphis, Tenn., 16th Army Corps, to March, 1863. 4th Briigade, District of Memphis, 5th Division, 16th Army Corps, to May, 1863. Detached Brigade, District of Northeast Louisiana, to June, 1863. 2nd Brigade, 6th Division, 17th Army Corps, to July, 1863. 1st Brigade, 7th Division, 17th Army Corps, to September, 1863. 1st Brigade, 2nd Division, 17th Army Corps, to December, 1863. 1st Brigade, 3rd Division, 15th Army Corps, to April, 1865. 2nd Brigade, 4th Division, 15th Army Corps, to July, 1865.