...to move towards Cashtown on the 29th and Longstreet to follow the next day, leaving Pickett's division at Chambersburg to guard the rear until relieved by Imboden. General Ewell was recalled from Carlisle and directed to join the army at Cashtown or Gettysburg, as circumstances might require. The advance of the enemy to the latter place was unknown, and the weather being inclement, the march was c...