Western Mail newspaper dated Monday 12th July 1965 shows a photograph of Jane and William Jones, Troedrhiwrhuddwen Farm who vociferously opposed the building of the new reservoir. Both had passed away before the dam was constructed.
The site of the new reservoir as depicted in a local newspaper of the day. As you can see the bulldozers are ready to move in and change the valley for ever. The line extending across the photograph indicates the height of the proposed dam wall.
The valley before the construction began. Already there are signs of change. The roadway has been widened and paths have been cut into the mountainside on the other side of the river.
An explosion signifies the start of tunnelling to divert the river Tywi.
Work has started on the construction site.
The river Tywi now runs through a tunnel and the base of the dam wall takes shape.
The construction of the dam wall begins.
The tunnel through which the river will be diverted.
The tunnel under Llyn Brianne through which the river Tywi still runs today.
The start of the construction.
A sign at the approach to the dam construction site. Wimpey were one of the main contractors.
Site offices and workshops of Geo Wimpey Construction, one of the main contractors.
A fleet of lorries 'at rest'. These daily headed up and down the Tywi valley totally disturbing the once tranquil peace of Rhandir-mwyn and surrounding area.
The building of the dam wall.
One of many bulldozers used to prepare the site of the new dam wall. The view to the left looks down the Tywi valley.
The construction site late about 1971. The dam wall is growing and the concrete spillway takes shape. This is the overflow for the reservoir.
Early days. The wall is under construction.
The dam wall under construction.
One of the main contractors, Geo Wimpey have their offices and workshops alongside the river. All the trees on the hillside have to be cleared before the waters eventually engulf the valley.
Early days. The engineers start to carve out the new site and the pipe is in place to divert the river.
The dam wall is virtually complete and the construction of the spillway is on schedule. 1972.
Workmen's caravans and equipment at the side of the river Tywi.
View of the spillway under construction.
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