
    No. 91-545.
    No. 91-569.
    Burlington Northern Railroad Co. v. Blackfeet Tribe of the Blackfeet Indian Reservation et al. Washington et al. v. Confederated Tribes of Colville Reservation et al.
   C. A. 9th Cir.; and

C. A. 9th Cir. The Solicitor General is invited to file briefs in these cases expressing the views of the United States.  