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🇴🇲 Oman · Hydraulic works
Sassanian to Ya'rubi (500–1650 continuous) · Rustaq Batinah tribe communities
Batinah piedmont aflaj swarm: 18 lines (1.2-8 km) feeding Rustaq fortress oasis on Hajar bajada.
🇴🇲 Oman · Hydraulic works
Iron Age II to Islamic (1000 BCE–present; active) · Iron Age Oman (Lizq–Rumaylah) → Sasanian → Islamic Ya'aribah
3.5-km Iron Age daudi qanat (c.1000 BCE, 8 shafts) delivering 70 l/s — UNESCO aflaj flagship at Birkat al-Mouz.
🇴🇲 Oman · Hydraulic works
Sasanian to Islamic · Omani, Sasanian Persian, Ibadi
Nizwa Daudi mother well 30 m with 8-km tunnel and shari'a sharing basin, UNESCO aflaj highland branch.