The marker for the Washington Artillery of Longstreet’s Command is on the south side of the Boonsboro Pike, in front of the National Cemetery. (National Cemetery tour map) This marker continues the story of the Washington Artillery from the marker beside it, number 307.

From the marker:

C.S.A.

Washington Artillery, Longstreet’s Command 

Col. J     B. Walton, Commanding.

September 17, 1862.

During the forenoon the Washington Artillery was engaged with the enemy’s heavy Batteries on the opposite side of Antietam Creek. At 9:15 the 3d Company, Miller, was sent to Piper’s Orchard and engaged the enemy in the Bloody Lane. At noon the 4th Company, Eshleman, was moved farther to the right to guard the fords below the Burnside Bridge. At 1 P.M., the 2d Company, Richardson, having a gun disabled, was withdrawn to Sharpsburg from the high ground commanding the Burnside Bridge. Between 2 and 3 P.M., upon the advance of the enemy, the 1st Company, Squires, was withdrawn from the Cemetery position, and, joined by the 2d Company which was in the town and by the 3d Company which had returned from the Bloody Lane, moved to the Harpers Ferry Road to assist Toombs’ Brigade in checking the advance of the Ninth Corps.

No. 308.