Construction of an alluvial dam for the Mingechaur hydroelectric power station. Water jets erode the soil. Dredgers are working on the Kura River. Excavators get gravel from the bottom of the river for the future dam. Loading gravel onto railway platforms. Electric welding of fittings. The head of construction of the Mingechaur hydroelectric power station I. M. Islam-Zade and construction engineers inspect the facilities of the hydroelectric power station.