C. A. 6th Cir. Motions of Bituminous Coal Operators’ Assn., Inc., and Chamber of Commerce of the United States for leave to file briefs as amici curiae granted. Certiorari denied.
C. A. 6th Cir. Motions of Bituminous Coal Operators’ Assn., Inc., and Chamber of Commerce of the United States for leave to file briefs as amici curiae granted. Certiorari denied.