
    No. 364.
    United Mine Workers of America, District 31, et al. v. National Labor Relations Board.
    
      M. E. Boiarsky for petitioners.
    
      Acting Solicitor General Stern, George J. Bott, David P. Findling, Mozart G. Ratner and Fannie M. Boyls for respondent.
   C. A. 4th Cir. Certiorari denied.  