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🇲🇦 Morocco · Hydraulic works
Almoravid to Almohad 1080–1170 CE High Atlas mountain · High Atlas Berber Hagoun (Almoravid mountain oasis)
High mountain khettara 1.8 km 38 shafts to 22 m deep: Almoravid 1080 snowmelt schist 6 L/s to walnut terraces 8 ha 2200 m.
🇲🇦 Morocco · Hydraulic works
Almoravid to Marinid 1050–1350 CE Tafilalt · Tafilalt Sijilmassa oasis Berber Almoravid–Marinid
North Tafilalt khettara 2.6 km 52 shafts 12 m mother: Almoravid 1050/Marinid 1350 corbelled 4 L/s with nouba sharing Sijilmassa.
🇲🇦 Morocco · Hydraulic works
Almoravid to Marinid (11th–14th c.) · Zenaga Berber oasis (Figuig ksour)
Figuig oasis: 14 khettaras 28 km Atlas piedmont irrigating 650 ha seven-ksar border oasis 32.12N 1.23W.
