Nos. 87-5962, 87-6167. Argued August 11, 1988. Decided January 10, 1989. Rehearing and Rehearing En Banc Denied March 29, 1989. James R. Hampton (argued), Hazard, Ky., for petitioner, cross-respondent. Aileen Armstrong, Deputy Associate Gen. Counsel, N.L.R.B., Aileen A. Armstrong, Peter Winkler, Karen Cordry (argued), Washington, D.C., for respondent, cross-petitioner. Petition for review from the National Labor Relations Board. Before KEITH and NELSON, Circuit Judges, and DUGGAN, District Judge