...d cannonaded the enemy at Conrad's Ferry, and a few days before the battle had opened upon Harper's Ferry from the mountain East at the town, as a diversion, during the attack made upon that place by Col. Ashby ; with these exceptions, in spite of incessant alarms and picket firings, the brigade had remained inactive. But on the night of Sunday, the 20th, it was known that the enemy had crossed in consider...