...rt the left of Bragg's corps and line of battle, when menaced by the enemy, and the other two brigades were directed to advance by the road to Hamburg, to support Bragg's right; and at the same time, Mancy 's regiment, of Polk's corps, was advanced by the same road to reinforce the regiment of cavalry and battery of four pieces, already thrown forward to watch and guard Grier's, Banner's and Borlan's Fo...