...l 11, 1862. The work so happily commenced on yesterday has been completed to-day upon a train of cars captured from the enemy at Huntsville. A heavy force of the Ninth Brigade, under command of Sill , was ordered to drive the enemy from Stevenson in the east, while an equal force from the Eighth Brigade, upon captured cars, was directed to seize Decatur upon the west. Both expeditions proved em...