
    No. 560.
    United States v. Chesapeake & Ohio Railway Co.
    
      Solicitor General Sobeloff, Assistant Attorney General Burger, Melvin Richter and Alan S. Rosenthal for the United States. Strother Hynes and Meade T. Spicer, Jr. for respondent.
   C. A. 4th Cir. Certiorari granted.  