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CategoriesArch dams
Every place in the atlas labelled arch dams.
🇮🇷 Iran · Hydraulic works
Qajar to Pahlavi (1910–1930) · Qajar Persian garden culture (Birjand Alam dynasty)
1910 Qajar 12-m arch 35 m on Darreh valley feeding Birjand Akbariye Persian garden and Arg via 2 km qanat.
🇮🇷 Iran · Hydraulic works
Ilkhanid to Qajar (Mongol to Qajar) · Mongol–Persian Ilkhanid hydraulic engineers (maybe Ghiyath al-Din?)
1350 Mongol thin arch 64 m with 1.05 m crest over 5-m gorge, world's tallest for 540 years (1350–1902).
🇮🇷 Iran · Hydraulic works
Ilkhanid Mongol (1300) to Safavid · Mongol–Persian hydraulic (Rashid al-Din's Jami' al-Tawarikh?), Qom Shi'a
1300 Mongol 26-m arch radius 35 m, oldest surviving arch dam (first Mongol), 294 yr before Tibi Europe.
🇮🇷 Iran · Hydraulic works
Timurid (Tamerlane) to Safavid (1350–1590) · Timurid Persian (Turko-Mongol Persianized); Mashhad Imam Reza shrine
1350 Timurid 24-m arch 96 m on Golestan gorge feeding Mashhad Imam Reza 8-km garden canal, still lake.