... them from the field. Although Lee was, by a previous accident, disabled in both his hands, and could only ride with his horse led by a courier, he had intently watched, from a rock, south of the Boonsboro road, on the summit of the hill east of Sharpsburg, the fierce contests on his left and at the same time had observed the movements of Burnside on his right. His eighty guns, in well chosen and com...