...not necessary that they should attack the main force,--but follow up the rear, hasten the retreat, pick up stragglers, and destroy the road as far east as possible. If your troops can get as far as Saltville (in Virginia) and destroy the works there, it will be an immense loss to the enemy. And on the 8th, to Sherman: Keep your troops in the valley of the Tennessee, until it seems clear that the enemy ...