...kson, or Longstreet. We remained, till a late hour in the afternoon, spectators of the heavy engagement of Jackson's troops with the enemy, who was thwarted in his attempt to turn our left flank. Major B. W. Frobel , whom I had previously assigned to the command of my artillery, was sent to our right with his battalion to oppose a column of the enemy, advancing to attack Longstreet whilst he was establishing his...