🇨🇳 China · Hydraulic works
Zhengguo Canal – Jingyang Irrigation Canal (Zheng Guo Qu)
Warring States to Han continuous · Qin with Han engineer Zheng Guo (鄭國)
246 BCE 'sabotage' canal that irrigated 27,000 ha and enabled Qin to unify China.
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Tagszhengguo
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🇨🇳 China · Hydraulic works
Warring States Qin 246 BCE to Han 120 BCE (Zhengguo south) · Qin state Wei–Jing plain with Korean Zheng Guo engineer
South distributary 18 km ×14×2.6 m hangtu levees 3 m with 6 dragon-tail weirs 42 m and fish-scale carp gates 1.2 m: Zheng 246 BCE spy-branch.
🇨🇳 China · Hydraulic works
Warring States to Han continuous · Qin with Han engineer Zheng Guo (鄭國)
246 BCE 'sabotage' canal that irrigated 27,000 ha and enabled Qin to unify China.