
    No. 73-1380.
    No. 73-1666.
    No. 73-1667.
    Chemehuevi Tribe of Indians et al. v. Federal Power Commission et al.; Arizona Public Service Co. et al. v. Chemehuevi Tribe of Indians et al.; and Federal Power Commission v. Chemehuevi Tribe of Indians et al.
   C. A. D. C. Cir. Certi-orari granted, cases consolidated, and a total of one hour allotted for oral argument.  