
    Mercer Gas Company, Appellant, v. Pennsylvania Public Utility Commission.
    Argued April 15, 1970.
    
      John M. Wolford, with him Daniel Brocki, and Dunn, Wolford & Besler, for appellant;
    
      Dominic J. Ferraro, Assistant Counsel, with him Daniel F. Joella, Assistant Counsel, and Paul Silverstein, Chief Counsel for Pennsylvania Public Utility Commission, appellee; Robert H. Young, with him Kenneth R. Myers, Henry A. Jackson, Jr., and Morgan, Lewis & Bockius, for intervening appellee.
   Order affirmed.  