...ross Keys. The vanguard of Shields's force, under acting Brigadier-general Carroll, had been pressing up the eastern side of the Shenandoah from Conrad's Store, and a portion of it had arrived near Port Republic almost simultaneously with Jackson's advance. On Saturday, the 7th, Carroll had been ordered to hasten to that point, destroy the bridge, seize Jackson's train, and fall on his flank. With less t...