Seaboard Air Line Railway. Nos. 56-57, in Supreme Court of United States, Oct. term, 1946, United States v. Legh R. Powell, jr., and Henry W. Anderson, as receivers of properties and assets of Seaboard Air Line Railway Company; [same] v. Atlantic Coast Line Railroad Company, on writs of certiorari to circuit court of appeals for 4th circuit; brief for United States.