Third Brigade
First Division - Second Corps
Army of the Potomac
Second Corps First Division
Third Brigade
Brig. Gen. Samuel K. Zook
Lieut. Col. John Fraser
52d. 57th. 66th. New York
140th. Pennsylvania Infantry
July 2 Arrived early in the morning and formed on right of Second Brigade on line from Cemetery Hill to Round Top. Between 5 and 6 p.m. advanced with Division to left and entered the Wheatfield and the woods on its right in line of battle forcing the Confederates through the field and the woods to the further end. Brig. Gen. Zook fell mortally wounded in this advance the Brigade being on the right of Division it extended to an open field on the west. The line of Third Corps on the Emmitsburg Road having been forced back and the Division having been flanked by superior forces on its right and left the Brigade retired with the Division and resumed position in line with Corps.
July 3 Constructed entrenchments and held the position until the close of the battle.
Casualties. Killed 7 officers 42 men. Wounded 18 officers 209 men. Captured or missing 4 officers 78 men. Total 358.
Marker is on Sickles Avenue, on the right when traveling west.
Courtesy hmdb.org