S. P. Spear
Col. 11th Penn. Cavalry | Apr. 28, 1864, to May 9, 1865. | 2d Brigade, Cavalry Division, Eighteenth Army Corps, Army of the James | |
Col. 11th Penn. Cavalry | Jan. 25, 1864, to Apr. 28, 1864. | Cavalry Brigade, U. S. Forces Yorktown and vicinity., District of Virginia., Eighteenth Army Corps, Department of Virginia and North Carolina |