… 50th anniversary of the Alaska Native Claims Settlement Act. … Alaskans’ land claims: the Alaska Native Claims Settlement Act, which … Northwest Alaska’s regional, Native-owned corporation, NANA, is … is operated by multinational Canadian company Teck; it opened …… 50th anniversary of the Alaska Native Claims Settlement Act. … Alaskans’ land claims: the Alaska Native Claims Settlement Act, which … Northwest Alaska’s regional, Native-owned corporation, NANA, is … is operated by multinational Canadian company Teck; it opened …