— Army of the Potomac —
Army of the Potomac
Brigadier General Andrew A. Humphreys
July 1. This Division was at Emmitsburg. Shortly after 3 p.m. marched by indirect route about two miles west of main road to Gettysburg, leaving Burling's Brigade.
July 2. Arrived at 1 a.m., and massed on Cemetery Ridge, between Birney's Division on the left and the 2d Corps. Burling's Brigade rejoined between 2 and 3 p.m. formed line of battle along the Emmitsburg Road to resist attack on Union left. its right opposite the left of Caldwell's Division, 2d. Corps. Its left joining Birney's Division. Carr's Brigade on the right, Brewster's Brigade massed on the left centre, Burling's Brigade in reserve until sent to General Birney. The Confederates made demonstrations on this Division front which remained in position after the 5th. and 6th. Corps had arrived on the Union left. Until about 6.30 p.m., when McLaws' Division follwoing the Confederate oblique order of battle. Broke Birney's line at the Peach Orchard uncovering the left of Humphreys, who changed front to connect with 2d. and 5th Corps troops in the Wheatfield. That line enfiladed by the enemy. Fell back across Plum Run while Humprheys outflanked by McLaws' Division and pressed by Anderson's Division Hill's Corps, gradually retired to Cemetery Ridge, reformed on 2d Corps left and drove the Confederates beyond the Emmitsburg Road, recovering abandoned artillery, capturing many prisoners, and holding the advanced position during the night.
July 3. Division moved to different points in the rear of 1st, 2d, 5th, and 6th Corps supporting threatened positions.
Casualties: Killed 26 officers, 286 men; Wounded 140 officers, 1422 men; Captured or missing 2 officers, 214 men; Total 2092.