
    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, 444 U. S. 1069.] Motion of the Solicitor General to permit Andrew J. Levander, Esquire, to present oral argument pro hac vice granted.  