Start of work on Avon Dam, showing officials standing near top water level marker and the first clod Early construction of the foundations of the filtration plant Royal Naval divers working on a jammed valve at the Burrator Reservoir Camp for workers on the Sheepstor dam Area of the Burrator Dam Early construction of the Avon dam wall. View of site and early work on Avon Dam Outlet pipe from Tottiford Reservoir Aerial view of the West Okement valley looking from the British Railways quarry in a southerly direc Fishing feast Exposed tree roots on the reservoir bed at Fernworthy Reservoir during the drought of 1959 Constructing the foundations of the reservoir at Burrator. Picture of the people associated with the building of the Avon Dam taken on site. Official dynamiting marks the start of work on the Avon Dam Area of the Burrator Dam Early work on Burrator Reservoir Work on the Burrator dam nearing completion Cutting a culvert for one of the Hennock reservoirs