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With Map references |
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| Bacheiddon Mine |
| Cwmbrwyino Mine |
| Cwmystwyth Mine |
| Esgairhir Mine |
| Frongoch Mine |
| Glogfach & Glogfawr Mines |
| Henfwlch Mine |
| Llanymynech Ogof |
| Nantymwyn Mine |
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| Cardiganshire | Metalliferous | |
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| Monmouthshire | Coal |
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