American Trucking Associations v. United States Railway Labor Executives' Association

[Syllabus from pages 141-142 intentionally omitted]

Mr. Peter T. Beardsley, Washington, D.C., for appellants American Trucking Ass'ns et al.

Mr. Edward J. Hickey, Jr., Washington, D.C., for appellants Railway Labor Executives' Ass'n et al.

Mr. Robert W. Ginnane, Washington, D.C., for appellee Interstate Commerce Commission.

Mr. A. B. Howland, Des Monies, Iowa, for intervening appellee Rock Island Motor Transit Co.

Mr. Justice CLARK delivered the opinion of the Court.