
    No. 79-770.
    Environmental Protection Agency v. National Crushed Stone Assn. et al.; and Costle, Administrator, Environmental Protection Agency v. Consolidation Coal Co. et al.
   C. A. 4th Cir. Certiorari granted. Reported below: 601 F. 2d 111 (first case); 604 F. 2d 239 (second case).  