
    United States Steel Corporation v. Monongahela & Ohio Dredging Co., Appellant.
    Argued March 19, 1959.
    Before Jones, C. J., Bebb, Musmanno, Jones, Cohen, Boic and McBkide, JJ. -
    
      Cuy L. Warman, with him John A. Metz, Jr., Robert C. MacAlisier, and Metz, Cook, Hanna é Kelly, for appellant.
    
      Frank W. Ittel, with him Reed, Smith, Shaw & Mo-Clay, for appellee.
    
      April 20, 1959:
   Opinion

Per Curiam,

The judgment in the above captioned case is affirmed on the opinion of Judge Duff of the Court of Common Pleas of Allegheny County.  