...Saturday, the 28th, was given to the care of the wounded, the burial of the dead, and the collection of the scattered troops. During the night McClellan had begun his retreat to the James, ordering Keyes , with the 4th corps, to cross White Oak Swamp and take position to cover the passage of his trains, which were put in motion early on the 28th. On the 28th, also, the troops which had fought under ...