
    No. 72-1647.
    No. 72-1663.
    No. 72-1689.
    Mobil Oil Corp. et al. v. Standard Industries, Inc., et al.; Sunray-DX Oil Co. v. Standard Industries, Inc., et al.; and Standard Industries, Inc., et al. v. Mobil Oil Corp. et al.
   C. A. 10th Cir. Certiorari denied. Reported below: 475 F. 2d 220.  