View of construction work across the valley. Several men working on the scaffolding and in the spillway, a crane to the left. The image is annotated "Spillway excavation from left bank 2-3-60"
View of excavation work for spillway. Men at work in bottom centre of image, between two cranes, one above left and the other to their right by scaffolding. The image is annotated "Spillway excavation from right bank 2-3-60"