...e kept close upon them. Thus they were driven from the Gap to Haymarket, thence to Gainesville, thence to New-Baltimore , from which place they retreated to Warrenton. As there are two roads from New-Baltimore to Warrenton, and there was danger of the enemy leading us on by one, and then coming out of the town upon the other, attacking the rear, Gen. Stahel posted his artillery upon one road, and, leaving ...