The marker for Toomb’s Brigade of D.R. Jones’ Division is on the east side of the Harpers Ferry Road just south of Sharpsburg. (Harpers Ferry Road tour map)

Toomb's Brigade, D.R. Jones' Division, marker 345 of the War Department Confederate markers at Antietam

From the marker:

C.S.A.
Longstreet’s Command

Toomb’s Brigade, D.R. Jones’ Division

Brigadier General Robert Toombs, Commanding.

Organization.

2d, 15th, 17th and 20th Georgia Infantry

(September 15-17, 1862.)

Toombs’ Brigade took position on the evening of September 15, on the bluff commanding the Burnside Bridge and ford a short distance below. His skirmishers and several Batteries of Artillery engaged the enemy during the afternoon of the 16th. On the morning of the 17th the Brigade was exposed to a heavy fire from the enemy’s Artillery on the opposite side of the Antietam. Between 9 A.M. and noon the enemy made several attempts to carry the bridge, but failed. An assault at 1 P.M. was successful and the Brigade fell back and formed line in this road, on the extreme right of the Division and co-operated with Archer’s Brigade of A.P. Hill’s Division in checking any further advance of the enemy.

No. 345.