Topography of Pakistan which facilitated the emergence of intensive cultivation despite semi-arid conditions, resulted in important social and political transformations. Satellite image of the Tarbela Dam Pakistan has two major river dams: the Tarbela Dam on the Indus River, near the early Buddhist site at Taxila, and the Mangla Dam on the Jhelum River, where Punjab borders Azad Kashmir built as part of the Indus Basin Project. The Warsak Dam on the Kabul River near Peshawar is smaller. These dams, along with a series of headworks and barrages built by the British and expanded since independence of Pakistan in 1947, are of vital
Mangla Dam million cusecs. The emergency spillway is weir type with an erodible bund and a maximum capacity of 0.23 million cusecs. The 5 tunnels are steel and concrete lined and 1,560 feet long in bedrock. The internal diameter ranges between 26 and 31 feet. The power house, which consists of turbines, generators and transformers, has been constructed at the toe of an intake embankment at the ground surface elevation of 865 feet SPD. The water to the power house is supplied through five steel-lined tunnels of 30/26 feet diameter. Each tunnel is designed to feed two generating units. The power house