NATIONAL LABOR RELATIONS BOARD, PETITIONER v. HOLLY FARMS POULTRY INDUSTRIES, INC., RESPONDENT. No. 71-1992.United States Court of Appeals, Fourth Circuit.Argued April 14, 1972. Decided May 17, 1972. Page 313 John Burgoyne, Atty., N.L.R.B., for petitioner; Peter G. Nash, Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, on brief. Glenn L. Greene, Jr., Miami, Fla., for respondent. […]