The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Wales. Garreg Ddu. Elan Valley. Powys. J. Arthur Dixon. Colin Underhill
Elan Valley. Garreg Ddu Dam. J. Salmon Ltd. Cameracolour
Greetings from the Elan Valley. Garreg Ddu Bridge. Craig Goch Dam. Upper Garreg Ddu Reservoir. Harvey Barton. Multi View. 1975
Elan Valley. Garreg Ddu Dam. J. Salmon
Rhayader. Elan Valley. Garreg Ddu Reservoir. Valentine. Gravuretype
Garreg Ddu. Elan Valley. Jarrold. Norwich. England
Elan Valley. Garreg Ddu Reservoir. E. T. W. Dennis. Scarborough
Garreg Ddu Dam. Elan Valley. J. Salmon
