...uregard sent Johnson's brigade, of General Polk's corps, as a further reinforcement to the right; and, thereupon, at about 9.20 A. M., moved with his staff to a more advanced position, on the road to Pittsburg , now giving more particular attention to the conflict on the left. Here General Ruggles's division, of General Bragg's corps, the second line of attack, had come into position on General Hardee's le...