🇯🇴 Jordan · Hydraulic works
Jawa Dam South Basalt Spillway
Early Bronze Age IA · Proto-Jawa Ghassulian-Chalcolithic
120-m south spillway with ogee crest and riprap of main Jawa dam — earliest weir hydraulics.
🇯🇴 Jordan · Hydraulic works
Jawa West Reservoir — Wadi Rajil Basalt Dam System West Pool
Late Chalcolithic to Early Bronze I (3500 – 3000 BCE) · Proto-urban pastoralist Jawa (Jordanian black desert)
West pool of world's earliest 3500 BCE basalt dam network 80 m serving 3,000 desert inhabitants.