...ions of R. H. Anderson and D. H. Hill had now overtaken the main army, diminished indeed by the losses of thepeninsular campaign, but in excellent condition. Indeed, the former of these had reached Manassa 's plains on the 30th of August, early enough to support Longstreet's centre, in its decisive advance against Pope. The fragments of his army, reinforced by McClellan, were now ensconced within thei...