..., just as Hill was moving his division to assault the Federals at New Cold Harbor, having already driven Porter's skirmishers from Gaines' mill and the immediate line of Powhite swamp. Knowing that Longstreet was on his right, Hill, with his usual impetuous ardor, dashed across Powhite swamp and the obstructions that had been placed behind it, and rushed against the strong batteries and intrenched lines o...