No. 88-4243. June 30, 1989. Kenneth E. Milam, R. Pepper Crutcher, Jr., Jackson, Miss., for petitioner, cross-respondent. Aileen Armstrong, Deputy Assoc. General Counsel, NLRB, Fred L. Cornnell, Washington, D.C., for respondent, cross-petitioner. Thomas Chad Farris, Deborah A. Jeon, Little Rock, Ark., for intervenor. Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. Before REAVLEY, WILLIAMS and JONES, Circuit Judges. JERRE S. WILLIAMS, Circuit