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1. China Prefectures (GBK), 1820
1820. CHGIS, Harvard Yenching Institute. China Prefectures (GBK), 1820 is a polygon theme representing the prefecture boundaries in China for the year 1820. This dataset employs GBK Encod... CHGIS, Harvard Yenching Institute.
2. China Prefectures (UTF), 1820
1820. CHGIS, Harvard Yenching Institute. China Prefectures (UTF), 1820 is a polygon theme representing the prefecture boundaries in China for the year 1820. This dataset employs UTF Encod... CHGIS, Harvard Yenching Institute.