Army of the Potomac
July 2, 1863
Second, Fifth and Sixth Corps, Lockwood's Brigade from the Middle Department, First and Third Brigades Second Cavalry Division, Third Cavalry Division and the Artillery Reserve reached the field of Gettysburg. First and Second Brigades First Cavalry Division marched from Gettysburg to Taneytown and Merritt's the Reserve Brigade of the First Cavalry Division from Mechanicsburg to Emmitsburg.
Battle of Gettysburg second day, and skirmishes at Hunterstown and near Chambersburg, Pa.
Courtesy hmdb.org