Marker located on Confederate Avenue east of the top of Thayer's Approach. This unit was attached to Brig. Gen. Martin E. Green's (killed in action 27 June 1863) and Col. Thomas P. Dockery's 2d Brigade, of Maj. Gen. John S. Bowen's Division, Lt. Gen. John C. Pemberton's Army of Vicksburg, and commanded Capt. William E. Dawson. [Refer to Edwin Bearss' The Vicksburg Campaign, Volume II, pages 316, 645, and 688; and Volume III, pages 780, 781, 871, and 967.]