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- Quarries and quarrying -- Wales -- Montgomeryshire., 2 results
- Mines and mineral resources -- Wales -- Montgomeryshire., 1 results
- Llysyn (Carno, Wales)., 1 results
- Tirymynech (Montgomeryshire, Wales)., 1 results
- Mills and mill-work -- Wales -- Montgomeryshire., 1 results
- Gungrog-fawr (Montgomeryshire, Wales)., 1 results