Elan Valley. Pen Garreg Reservoir. Garreg Ddu Bridge. Pen y Garreg Dam. Afon Claerwen. Caban Goch Reservoir. J. Arthur Dixon Ltd. Multi View. 1994

Greetings from the Elan Valley. Garreg Ddu Bridge. Craig Goch Dam. Upper Garreg Ddu Reservoir. Harvey Barton. Multi View. 1975

Garreg Ddu Reservoir Elan Valley. N. 0645. E. T. W. Dennis and Sons LTD. Photocolour. Post Card

Upper Garreg. Ddu Reservoir Elan Valley. 1KB. Harvey Barton and Son Ltd Bristol

Garreg Ddu Reservoir. Elan Valley. N. 0645. Dennis. 1968

Gareg Ddu Reservoir. Elan Valley. Valentines Series

Rhayader. Gareg Ddu Reservoir Elan Valley. The Photochrom

Pen Y Gareg Dam and Reservoir. Elan Valley. Aero Pictorial. London. Air View