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Historical online maps of Chinese major river basin flood disaster risk curve(1736-1911)

Date: 2020-06-12  Editor: houxue2018    View counts: 6266   


Central point longitude
105.0
Central point latitude
39.0
Max zoom level
7
Min zoom level
4
Current zoom level
4

Map description

Historical maps of Chinese major river basin flood disaster risk curve(1736-1911)

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