... obstructions from the Mississippi river; we have recovered New Orleans, Norfolk, Newbern, Fort Macon, Beaufort, N. C., Beaufort, S. C., and Port Royal, Fort Pulaski, and several seaboard places in Georgia , and several rebel strongholds in Florida, including Pensacola. We have driven the great rebel army of Virginia from its offensive position in sight of Washington back to the defence of Richmond; b...