DISTRICT 2, MARINE ENGINEERS BENEFICIAL ASSOCIATION, AFL-CIO, Petitioner, v. NATIONAL LABOR RELATIONS BOARD, Respondent, Mississippi Valley Barge Line Company, Intervenor. No. 19317.United States Court of Appeals, District of Columbia Circuit.Argued October 21, 1965. Decided November 18, 1965. Mr. David Scribner, New York City, of the bar of the Court of Appeals of New York, pro […]