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1. China Railroads, 1990

1990. CHGIS, Harvard Yenching Institute. China Railroads, 1990 is a polyline theme representing railroad lines in China circa late 1980s. This dataset is based on DCW data (late 1980s), u... CHGIS, Harvard Yenching Institute.

2. China Roads, 1990

1990. CHGIS, Harvard Yenching Institute. China Roads, 1990 is a line theme representing the roads in China, circa the late 1980s. This dataset is based on DCW data (late 1980s), uncorrect... CHGIS, Harvard Yenching Institute.