Fifth Army Corps
U.S.A.
Fifth Army Corps.
Maj. Gen. Fitz John Porter, Commanding.
September 15 and 16, 1862.
The Fifth Army Corps constituted the reserve of the Army of the Potomac. Its advance, Sykes' Division, reached this point in the afternoon of Sept. 15.
On the morning of Sept. 16, it formed in the fields to the south of the Boonsboro Pike in support of the Reserve Artillery which occupied the ridge in front of this point.
Morell's Division arrived at Keeysville about noon on Sept. 16, and encamped in the fields west of the town.
Marker is on Boonsboro / Shepherdstown Pike (State Highway 34), on the right when traveling east.
Courtesy hmdb.org