No. 5849. December 29, 1961. Margaret M. Farmer, Atty., Washington, D.C., Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Melvin J. Welles, Atty., Washington, D.C., on the brief, for petitioner. Julius Kirle, Boston, Mass., for John Benevento, respondent. Before WOODBURY, Chief Judge, and HARTIGAN and ALDRICH, Circuit Judges. WOODBURY, Chief Judge. The Beneventos, father and son, are engaged in the sand and gravel business in