"RDF description of C1863" . . . . . . . . "1863" . "1975-02-01"^^ . "The boundary between Sawara-shi(12209) and Omigawa-machi(12344) in Chiba-ken is changed."@en . "千葉県佐原市(12209)と小見川町(12344)との境界変更"@ja .