...llow this movement and prolong the line of Keyes's Corps to our right. The trains were pushed on in rear of these Corps and massed under cover of the gun-boats as fast as they reached the James, at Haxall 's plantation. As soon as the fighting ceased with the final repulse of the enemy, Sumner and Franklin were ordered to cross the Swamp; this was effected during the night, the rear-guard crossing an...