The panel affirmed the district court’s summary judgment in favor of the U.S. Department of the Interior and the Ione Band of Miwok Indians in a case involving a proposed casino in Amador County, California, and the County’s challenge to a Department of the Interior 2012 record of decision in which the agency announced its intention to take land into trust – the Plymouth Parcels – for the benefit of the Ione Band, and to allow the Ione Band to build a casino complex on the land.