...y over dead and dying men; caissons are blown up, guns dismounted, and the earth rocks and trembles to the hoarse bellowing of artillery. On our left the long, rolling volleys of musketry told that Burnside was grappling with Lee's matchless infantry, to be hurled back again and again in defeat and death. And then that crashing, deafening sound—like the roar of some mighty conflagration—a ...