...d the attack so vigorous and dashing that the Federal line was driven in rout. But the enemy's batteries opened with redoubled activity, and the fire from the stone wall was galling. A battery on Little Round Top , enfilading the front of the stone wall, and another from Cemetery hill, plunged their shell into the ranks of Kemper and Garnett and raked the advancing line of Armistead as it moved up in support. ...