... Burnside's movement on the enemy's right was to prevent the further massing of their troops on their left, and we held what we had gained. Burnside's corps, consisting of Wilcox's, Sturgis's and Rodman 's divisions, and Cox's Kanawha division, was intrusted with the difficult task of carrying the bridge across the Antietam, near Rohrback's firm, and assaulting the enemy's right, the order having bee...