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BigAlHale: Mwyngloddfa Esgairmwyn Mine - 5
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BigAlHale: Mwyngloddfa Esgairmwyn Mine - 4
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BigAlHale: Mwyngloddfa Esgairmwyn Mine - 3
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BigAlHale: Mwyngloddfa Esgairmwyn Mine - 1
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BigAlHale: Mwyngloddfa Esgairmwyn Mine - 2
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BigAlHale: Esgair Hir Mine
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BigAlHale: Mwyngloddfa Cwmystwyth
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BigAlHale: Wemyss Metal Mine, Ceredigion
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BigAlHale: Bwlch Glas Mine
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BigAlHale: Bwlch Glas Mine - Monochrome
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BigAlHale: Bwlch Glas Lead Mine