...for Early could not have spared a man from his line to oppose him. Wharton's two brigades were both east of the Blackwater, and between that stream and James river there was only the skirmish line of McCausland 's cavalry, and a few old men in the trenches across the Rivermont farm. These old citizens, however, though entirely muster free, either from age or physical infirmity, did good service. They rem...