...the Brock road to take us in the flank. This prevented proper mobility of our left, and, after all, they turned out to be a division of Rebel cavalry, who were defeated later in the day by our men. Stevenson 's brigade was now put in to relieve the advanced lines that had long been under fire, and all other fresh troops were marched to the front. But Longstreet knew full well (they know everything, thos...