Native American treaty rights are not repealed without a clear and unequivocal statement to that effect from Congress. Decided May 27, 1968 (argued January 22, 1968). Opinion of the Court: William O. Douglas → go there Dissenting: Stewart. Topic: Native American law. Menominee Tribe of Indians v. United States, 391 U.S. 404 (1968), is a case in which the Supreme Court ruled that the Menominee Indian Tribe kept their historical hunting and fishing rights even after the federal government ceased to recognize the tribe. It was a landmark decision in Native American case law. Wiki link