
    No. 71-238.
    No. 71-243.
    Northern Natural Gas Co. et al. v. Mobil Oil Corp. et al.; and Panhandle Eastern Pipe Line Co. et al. v. Mobil Oil Corp. et al.
   C. A. 10th Cir. Certiorari denied.

Mr. Justice Stewart and Mr. Justice Blackmun are of the opinion that certiorari should be granted. Mr. Justice Powell took no part in the consideration or decision of these petitions.

Reported below: 441 F. 2d 704.  