
    No. 527.
    Hanna Mining Co. et al. v. District 2, Marine Engineers Beneficial Association, AFL-CIO, et al.
    
      Lucian Y. Ray for petitioners. Lee Pressman, David Scribner and Joan Stern Kiok for respondents. Solicitor General Cox, Arnold Ordman, Dominick L. Manoli and Norton J. Come filed a memorandum for the United States. James P. Garner, Albert J. Williams and Raymond T. Jackson for Columbia Transportation Division of Oglebay Norton Co. et al., as amici curiae, in support of the petition.
   Sup. Ct. Wis. Certiorari granted.  