Keystone Independent Battery Light Artillery

Timeline of the Keystone Battery

August 13, 1862	Organized at Philadelphia
August	Ordered to Washington, D.C. and attached to Casey's Provisional Brigade, Military District of Washington for garrison duty in the Defenses of Washington, D.C.
October	Attached to Casey's Division, Military District of Washington
February, 1863	Attached to Casey's Division, 22nd Corps, Dept. of Washington
April	Attached to Abercrombie's Division, 22nd Corps
June	Attached to Camp Barry, 22nd Corps
July	Joined Army Potomac and pursuit of Lee attached to Artillery Brigade, 3rd Army Corps
August	Action at Wapping Heights, Va.
July 23	Moved to Harper's Ferry, W. Va., and duty there attached to Maryland Heights Division, Dept. of West Virginia
August 20, 1863	Mustered out