Plan of attack on Marie's Heights, Fredericksburg, Va. or 2nd Battle of Fredericksburg. By Maj. Genl. John Sedgwick with 6th Army Corps, Sunday, May 3rd, 1863.

Illustrates the placement of Union and Confederate forces during the Chancellorsville Campaign of April-May, 1863, culminating in the battle of Chancellorsville fought May 1-4, 1863. This map focuses on the Sunday, May 3rd, action, which is referred to by Sneden as "Second Fredericksburg."