. . "Sado Island" . . . . . . . . . . "Sado Islands" . . . . . "Sado City" . . . . . "Daso" . "Sado mines" . "Sado island" . . "Sado" . "Eastern Sado" . "8.5569E8" . "Sado Island, Niigata" . . . "Sado, Niigata" . . "Sado, Niigata" . . "gold mines" . . . . "1954-03-01" . . "Sato Island" . . . . . . . . "1954-11-03" . . . . . . . "2022-03-01" . . "Niigata" . . . . . . "Sado, Niigata#History" . "49897" . . . "''Sado''" . . "+9" . . "Kanai, Niigata" . . . . . "Akadomari" .