...on with you, &c. I also directed Imboden, if opportunity offered, to cross the Potomac, and perform the same offices on your left. Ewell marched with two divisions down the Cumberland Valley to Chambersburg : thence to Carlisle, where he halted. Early was detached and sent east through the Cashtown pass in the South mountain, to York. These letters of General Lee's show that Stuart could not h...