No. 13878, in court of appeals for 8th circuit, International Union of Operating Engineers, A. F. of L., Local 148 v. International Union of Operating Engineers, A. F. of L, Local 2, United Gas Coke and Chemical Workers of America, CIO, Local 6, Laclede Gas Light Company, and National Labor Relations Board, region 14, on appeal from order of district court for eastern district of Missouri, eastern division; brief for National Lnhor Relations Board.