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olympo570: Site of Former Pwllgwaun Colliery, N'r Rhondda, Pontypridd
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olympo570: Brunel's Skewed Stone Arch Bridge, Pontypridd
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olympo570: Brunel's Rhondda Viaduct, N'r Rhondda, Pontypridd
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olympo570: The Old Bridge ('Yr Hen Bont'), Pontypridd
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olympo570: Former Pontypridd Signal Box, N'r Rhondda, Pontypridd
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olympo570: Glamorganshire Canal, N'r Pontypridd
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olympo570: Glamorganshire Canal, Ynysangharad, Pontypridd
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olympo570: Former Brown Lenox, Pontypridd
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olympo570: Fforest Tinplate Works, Trefforest
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olympo570: Former Great Western (Gyfeillion) Colliery, N'r Rhondda, Pontypridd
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olympo570: Site of Former Alion Colliery, Cilfynydd, N'r Pontypridd
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olympo570: Former Site of Albion Colliery, Cilfynydd, N'r Pontypridd
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olympo570: Lewis Merthyr (Rhondda Heritage Park), Trehafod, Rhondda
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olympo570: Maritime (Pontypridd) Collieries, Pontypridd
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olympo570: University of Glamorgan & Former School of Mines, Trefforest
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olympo570: Port Talbot Steel Works
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olympo570: Graig Railway Tunnel Entrance, Pontypridd