65th Regiment, Colonel Alonzo J. Edgerton.—Organized at Benton Barracks, Mo., December, 1863, as the 2nd Regiment Missouri Volunteers; changed to 65th Regiment U. S. March, 1864. Mustered out January, 1867.
66th Regiment, Colonel Michael W. Smith. Organized at Vicksburg, Miss., December, 1863, as the 4th Regiment Mississippi Volunteers; changed to 66th Regiment U. S., March, 1864. Battles: Columbia, Goodrich's Landing, March 24th, and July 16th, 1864, Issequena County, July 10th and August 17th, 1864, Bayou Macon, Bayou Tensas, July 30th, and August 26th, 1864. Mustered out March, 1866.
67th Regiment, Colonel Alonzo J. Edgerton.—Organized at Benton Barracks, Mo., January, 1864, as the 3rd Regiment Missouri Volunteers; changed to 67th Regiment U. S., March 1864; consolidated with the 65th Regiment, July 12th, 1865. Battle: Mount Pleasant Landing.
68th Regiment, Major Oliver H. Holcomb.—Organized at Benton Barracks, Mo., March, 1864, as the 4th Regiment Missouri Volunteers; changed to 68th Regiment U. S., March, 1864. Battles: Tupelo, Spanish Fort, Fort Blakely. Mustered out February, 1866.
69th Regiment, Captain James T. Watson.—Organized at Pine Bluff, Duvall's, Bluff, Little Rock, and Helena, Ark., and Memphis, Tenn., December, 1864. Organization discontinued September, 1865, and the commissioned officers and enlisted men transferred to the 63d and 64th Regiments.
70th Regiment, Lieutenant-Colonel Morris Yeomans.—Organized in part, April, 1864, at Natchez, Miss.; completed November, 1864, by the consolidation of the 71st Regiment. Mustered out March, 1866.
71st Regiment, Colonel Willard C. Earle.—Organized at Black River Bridge and Natchez, Miss., and Alexandria, La., March, 1864; consolidated with the 70th Regiment November, 1864.
72d Regiment, Colonel Alexander Duncan.—Organized at Covington, Ky., April, 1865; discontinued May, 1865; commissioned officers ordered before a board for examination, and enlisted men transferred to other regiments.
73d Regiment, Colonel Samuel M. Quincy.—Organized at New Orleans, La., September, 1862, as the 1st Native Guard Volunteers; changed to 1st Regiment Corps d'Afrique, and to 73d Regiment U. S., April, 1864; consolidated with the 96th Regiment U. S., September, 1865. Battles: Port Hudson, Jackson, Bayou Tunica, Steamer City Belle, Morganzia, Fort Blakely. Men mustered out at the expiration of time.
74th Regiment, Lieutenant-Colonel A. G. Hall.—Organized at New Orleans, La., October, 1862, as the 2d Regiment Louisiana Native Guard Volunteers; changed to 2d Regiment Corps d'Afrique, June, 1863, and to the 74th Regiment U. S., April, 1864. Battle: East Pascagoula. Mustered out October, 1865.