...hop Polk; third, to ascertain his strength at Dalton, and if he had already been seriously weakened, to take possession of that town. The morning of February twenty-second was not a bright one at Chattanooga . There were no clouds, but a dense pall of smoke had settled down upon the earth, obscuring Lookout, snatching Mission Ridge from our eyes, and at first hiding even the sun. When that luminary at l...