Guthega Power Station is part of a project that has what length of tunnels, pipelines, and aqueducts?
Guthega Power Station:  It is the first to be completed and smallest of the initial seven hydroelectric power stations that comprise the Snowy Mountains Scheme, a vast hydroelectricity and irrigation complex constructed in south-east Australia between 1949 and 1974 and now run by Snowy Hydro.
i don't know