.... We marched through Halltown and Charlestown, near the old field where that fanatical murderer and abolitionist, John Brown, was hung, and halted under a heavy cannonading at Bolivar Heights, near Harper's Ferry . This place on the Baltimore and Ohio railroad, and on the Potomac river, surrounded by lofty mountains, was once a United State Arsenal and Government foundry. The Yankee camps had been hastily ...