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You searched for: Subject Demographic surveys Remove constraint Subject: Demographic surveys Subject Sex ratio Remove constraint Subject: Sex ratio Place People's Republic of China, China Remove constraint Place: People's Republic of China, China Year 1990 Remove constraint Year: 1990
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1. 1990 County Boundaries of China with Population Census Data, Part 1

1990. This polygon shapefile represents the 1990 County Boundaries for China. The layer includes population census data and was primarily based on the "T... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.