Show FINAL BLAST FIRED New York Jan 12 After throe years of continuous work day and night the Pennsylvania railroads tun tunnels tunnels nels neis under Manhattan have hae been com corn completed completed The final blast was fired at 5 p m Saturday sixty feet under Sixth avenue and street In cleaned the last obstacle In the Thir street tube Much work remains to be done in the tunnels under the East river in the theLong theLong theLong Long Island City CIt yards and approach approaches es and on the Jersey approaches to the he Hudson tubes |