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boundaries
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society
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Historical China County Population Census Data with GIS Maps
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Polygon
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Year
1990
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1. China County Boundaries with 1990 Population Census Data (Part A)
1990. University of Michigan. China Data Center. and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. China County Boundaries with 1990 Population Census Data (Part A) is a polygon theme representing counties in China in the year 1990. Attribute in... All China Marketing Research Co.
2. China County Boundaries with 1990 Population Census Data (Part B)
1990. University of Michigan. China Data Center. and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. China County Boundaries with 1990 Population Census Data (Part B) is a polygon theme representing counties in China in the year 1990. Attribute in... All China Marketing Research Co.