
    No. 78-1183.
    Carbon Fuel Co. v. United Mine Workers of America et al.
   C. A. 4th Cir. [Certiorari granted, 440 U. S. 957.] Motions of Chamber of Commerce of the United States, Washington Legal Foundation, and Bituminous Coal Operators’ Association, Inc., for leave to file briefs as amici curiae granted.  