The online historical map of water conservancy projects in the Warring States Period of China comes from Volume I of Atlas of Chinese historical manuscripts, edited by Guo Moruo,the scale in the map is 1:9 million, and the main notes are as follows:Capital city, capital of vassal states, counties, other residential areas, main water conservancy projects, main water conservancy irrigation areas.
Online historical map of China's situation in the Warring States period (291 BC)
Historical map of warring states period of China
The historical map of the lords' situations(350 BC) of the Warring States period in China
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