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Amgueddfa Cymru – Museum Wales
Hafod No.1 (Rhondda) Level. Looking north east at partly blocked portal of upcast level. The ventilation stack is ituated to the photographer's left. The small waterfall visible at the right is part of Daren-y-Pistyll at the lower end of Cwm George / Cwm Hafod. 13 October 1985.