...ll. The cavalry had to cover the line along the Potomac from Williamsport to Harper's Ferry, Hampton's brigade being stationed near Hainesville, Fitz Lee's near Shepherdstown, and Robertson's under Colonel Munford , near Charlestown, opposite Harper's Ferry; which latter stronghold, after everything valuable had been removed from it, had been given up to the enemy. We rejoiced greatly at coming up with our wa...