No. 25300. March 19, 1971. Paul J. Spielberg (argued), Atty., NLRB, Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Washington, D.C.; Charles Henderson, Director, NLRB, Washington, D.C., for appellant. H. William Coder (argued), of Burton Coder, Great Falls, Mont., for appellant. Before BROWNING and TRASK, Circuit Judges, and PREGERSON, District Judge. Honorable Harry Pregerson, United States District Judge for the Central District