Saturday September 27th 
There was a bloody battle at Sharpsburg in Maryland on the 17th. We remained upon the field for twenty four hours after the fight and then recrossed to this side of the Potomac. We cannot understand why. [Crossed out: The next day a] All of the forces on both sides were engaged in this battle.
On the 19th a division of the enemy crossed over to Shepherdstown. Jackson captured or killed the whole of them. The Potomac was dammed up with their bodies.