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🇮🇷 Iran · Hydraulic works
Sassanid to Buyid (4th c CE to 10th c CE) · Sassanid → Buyid Islamic
Kor River cascade (Sassanid 4th c → Buyid 970 CE) bridge–dam 75 m with 13 arches — Persepolis plain lifeline.
🇮🇷 Iran · Hydraulic works
Sasanian to Early Islamic · Sasanian / Early Islamic Khorasan
35-km double-branch Sasanian qanat (500–800 CE) — 70-m mother well, 45 L/s to Ferdows oasis.
🇮🇷 Iran · Hydraulic works
Sassanid Early (Shapur I, 241–270 CE) built by Roman captives · Sassanid Persian with Roman engineering corps (Legio)
500-m Roman-Sassanid arch bridge/dam (260 CE) raising Karun for Shushtar's 10-km Gargar canal — easternmost Roman dam.
🇮🇷 Iran · Hydraulic works
Early Sassanid (Ardashir I–Shapur I, 224–260 CE) · Sassanid Persian (early Sasanian court)
210-m Sassanid reservoir dam (224 CE) retaining Firuzabad circular capital plain — Ardashir's desert hydraulic foundation.
🇮🇷 Iran · Hydraulic works
Achaemenid to Sasanian · Achaemenid / Sasanian (with Roman prisoners)
390-m Karun diversion weir (5th c BCE /260 CE) — head of Shushtar mills system.
🇮🇷 Iran · Hydraulic works
Sasanian (Shapur I–II) · Sasanian Persian
180-m Sasanian gravity dam (240–380 CE) on Minab tributary — 300,000 m³ for Minab palms.
