Organized at large in Tennessee September 1, 1864. Stationed at Alexandria, Tenn., operating against guerrillas. Four companies at La Fayette, Tenn., 4th Sub-District, Middle Tennessee, April, 1865. Action at Wall's Hill September 28, 1864. Polk County November 23, 1864. Operating against guerrillas in White, Overton, Fentress and Montgomery Counties and quieting country until August, 1865. Mustered out August 25, 1865.