... Sharpsburg and behind the Antietam, which was easily forded, and crossed by good stone bridges in Lee's front and on each flank. Two main roads gave direction to the battle, one running north to Hagerstown , and the other a little north of east to Boonsboro. About 1 1/4 miles from the town, on the Hagerstown road, was a church known as the Dunker's chapel, with a heavy wood north, south and west of i...