
    No. 72-768.
    No. 72-779.
    No. 72-781.
    No. 72-785.
    Arizona ex rel. State Corporation Commission et al. v. United States et al.; Southwest Gas Corp. v. United States et al.; Pacific Gas & Electric Co. v. El Paso Natural Gas Co. et al.; and El Paso Natural Gas Co. et al. v. United States et al.
   Affirmed on appeals from D. C. Colo.

Mr. Justice Brennan, Mr. Justice White, and Mr. Justice Marshall took no part in the consideration or decision of these cases.

Reported below: 358 P. Supp. 820.  