No. 86-3128. Argued February 7, 1990. Decided June 1, 1990. Ann Gordon Greever (argued), Hill B. Wellford, Jr., on brief, Hunton Williams, Richmond, Va., for petitioner. David A. Fleischer (argued), Paul J. Spielberg, Deputy Asst. Gen. Counsel, on brief, N.L.R.B., Washington, D.C., for respondent. Petition for review from National Labor Relation Board. Before RUSSELL, WIDENER, and HALL, Circuit Judges. DONALD RUSSELL, Circuit Judge: This long-standing labor dispute is today resolved by our finding