
    No. 70-52.
    United States v. Mississippi Chemical Corp. et al.
   C. A. 5th Cir. [Certiorari granted, 401 U. S. 908.] Motion of M. F. A. Central Cooperative et al. for leave to participate in oral argument as amici curiae denied.

Mr. Justice Blackmun took no part in the consideration or decision of this motion.  