Mitchell materials here.
Teck Metals materials here.
King Mountain materials here.
Here:
UPDATE:
Question presented:
Does sovereign immunity bar the federal courts’ consideration of a declaratory judgment action to determine whether Respondent Tribes can exercise regulatory/taxing authority over real property owned in fee by Petitioners non-Indians, pursuant to allotments that were authorized by the Tribes’ treaty with the United States?
Lower court materials here.
Here is the unpublished opinion in Mitchell v. Tulalip Tribes:
Briefs here.