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Amgueddfa Cymru – Museum Wales
Photograph captioned ''Vronglog Green Slate Quary. The search (by one or two employees) goes on for pieces of good rock which can be marketed for roofing or other purposes. The ruins of an old winding engine house look on forlornly.'' Mounted on card. Made for the exhibition RECORDING WALES 3 in 1970/1971.
