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Online historical map of maize and sweet potato planting in early Qing Dynasty

Date: 2023-08-23  Editor: admin    View counts: 302   


Central point longitude
105
Central point latitude
36
Max zoom level
7
Min zoom level
4
Current zoom level
4


Map description


Map source

The online historical map of maize and sweet potato planting in early Qing Dynasty is from the second volume of the Atlas of Chinese historical manuscripts, edited by Guo Moruo, the scale of the map is 1:46 million, and the map is mainly marked with: promotion route and planting date.

The Historical Map of China in the Qing Dynasty in 1820

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