Official launch of the Snowy Mountains Scheme at Adaminaby. From the left, Prime Minister, Ben Chifley; Governor-General, William McKell and Minister for Works and Housing, Nelson Lemmon, 1949 The Snowy Mountains scheme is a hydroelectricity and irrigation complex in south-east Australia. The Scheme consists of sixteen major dams; seven power stations; a pumping station; and 225 kilometres (140 mi) of tunnels, pipelines and aqueducts that were constructed between 1949 and 1974. The Scheme was completed under the supervision Chief Engineer, Sir William Hudson and is the largest engineering project undertaken in Australia
Source: Wikipedia