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Tagsbirjand
2 places carry this tag, across every kind and continent it appears in.
🇮🇷 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
Khwarazmian Late Islamic 1210 CE (Birjand) · Khwarazmian South Khorasan Birjand oasis
South Darreh arch-gravity 42 m × 18.2 m 8 m radius: conjunctive wadi+qanat 28,000 m³ south branch with cistern 8 m.