... all impediments, affording, moreover, an excellent tete de pont for any enterprises or diversions that might be attempted south of the river. Hooker, on his side, had set out with his division and Pleasanton 's brigade of cavalry during the night of the 2d-3d of August; but having got lost in the woods, he was obliged to return to camp. The next day, the 4th, reinforced by Sedgwick's division, he again ...