Holding: The Montana Supreme Court’s ruling that the state of Montana owns and may charge for use of the riverbeds at issue was based on an infirm legal understanding of the Court’s rules of navigability for title under the equal-footing doctrine.
Judgment: Reversed, 9-0, in an opinion by Justice Kennedy on February 22, 2012.
Merits Briefs for the Petitioner
Amicus Briefs in Support of the Petitioner
Merits Briefs for the Respondent
Amicus Briefs in Support of the Respondent