The marker for Jones’ Battalion of the Reserve Artilleryis on the north side of the Boonsboro Pike, across from the National Cemetery. (National Cemetery tour map)

From the marker:

C.S.A.

Jones’ Battalion, Reserve Artillery 

Major H.P. Jones, Commanding

Organization.
Morris (Virginia) Artillery, Orange (Virginia) Artillery,
Turner’s (Virginia) Artillery, Wimbish’s (Virginia) Battery.

(September 17, 1862.)

Jones’ Artillery Battalion occupied the ridge north of this point and was actively engaged early in the day, but was soon withdrawn to the lower ground between the ridge and the Hagerstown Pike. In the afternoon the Battalion reoccupied the ridge and engaged the Union Batteries that had crossed by the Middle Bridge to the west side of the Antietam, it resisted also the advance of the Infantry of the Fifth Corps. At sundown the Battalion was again withdrawn.

No. 316.