
    No. 80-2162.
    Ramah Navajo School Board, Inc., et al. v. Bureau of Revenue of New Mexico.
   Ct. App. N. M. [Probable jurisdiction noted, 454 U. S. 1079.] Motions of Navajo Tribe of Indians, Association on American Indian Affairs, Inc., and Pueblo of Santa Ana for leave to file briefs as amici curiae granted. Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument granted.  