It took two years to build the diversion tunnels, and then two years to excavate the river bed to bed rock (135 feet) and build the dam and the generator rooms. It was completed 2 years and much money ahead of schedule.
It took two years to build the diversion tunnels, and then two years to excavate the river bed to bed rock (135 feet) and build the dam and the generator rooms. It was completed 2 years and much money ahead of schedule.