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🇲🇳 Mongolia · Hydraulic works
Mongol Empire (Ögedei to Möngke, 1235–1260) · Mongol imperial (Ögedei, Möngke, artisans Chinese–Muslim–European)
1235 Ögedei capital's 8-km Orkhon pipe to Silver Tree fountain and 60-well moated square, Bonn–Ulaanbaatar excavated.
🇨🇳 China · Hydraulic works
Qin 256 BCE to Han 100 BCE to Qing 1884 (Dujiangyan east feeder) · Qin–Han Shu (Sichuan) state hydraulic
East feeder canal 5.2 km ×12×2.2 m stone revet 1.2 m with bottleneck sluice 8 m: Qin 256 BCE/Han 100 BCE eastern Chengdu 820 ha.
🇨🇳 China · Hydraulic works
Sui to Song (605–1080) · Sui–Tang Imperial (Yang Guang–Li Shimin)
Sui Grand Canal western 40-m prism 605 CE with Tongji wharf and Huiluo Barn harbour, Grand Canal type section.
🇨🇳 China · Hydraulic works
Qin 214 BCE to Tang 825 CE (Lingqu North pound) · Qin imperial (Shi Huang–Shi Lu) Lingqu Yue conquest hydraulic
North pound extension 1.2 km ×8×1.5 m with 3 Qin granite pound-locks 8×4 m ×1.0 m lift — earliest locks globally 214 BCE.
🇮🇷 Iran · Hydraulic works
Sasanian (Shapur I post-Edessa 260) · Sasanian with Roman prisoner engineers
Gargar canal: 12-km Sasanian 260 CE cliff canal diverting Karun through Shushtar mills, UNESCO 1315.
