... action. Davis was north of the Chambersburg pike, and was supported by Brockenbrough, who was just south of the pike. Archer, supported by Pettigrew, was south of the pike. Both brigades faced Seminary ridge . When the fighting began, only Buford's cavalry held the ground for the Federals; but the First army corps, under Reynolds' direction, was advancing rapidly to the support of the cavalry, and Cutle...