CWMORTHIN SLATE MINE -INTO THE MOUNTAIN-

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Cwmorthin Slate Quarry - North Wales

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Abandoned Slate Quarry Tramway off the Ffestiniog Railway

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Cwmorthin Slate Mine (Part Two)

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Exploring The Abandoned Cwmorthin Slate Quarry

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Hiking in North Wales 🏴󠁧󠁢󠁷󠁬󠁳󠁿⛰️ Exploring the Abandoned Cwmorthin Slate Quarry

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Cwmorthin Slate Mine

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Aberllefenni Slate Quarry [Foel Grochan] PART 1

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Rhosydd Mine

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1868 Abandoned Slate Mine - North Wales

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Foel Grochan Slate Mine - Aberllefenni

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Rock slide at Maenofferen Slate Quarry, Wales on 31-12-2009

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Maenofferen 1978

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Cwmorthin Slate Mine , North Wales

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The Mighty Rhosydd Slate Mine ( is This The Best in Wales ?)

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Heading Underground at 'The Great Cwmystwyth Mines' in Wales

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Exploring Copper Mines in North Wales U.K.

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The Sad Decline of Rhosydd Slate Mine Chapel

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Exploring Cwmorthin Slate Quarry: North Wales Photography Adventure

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Abandoned SLATE QUARRY Cwmorthin. Exploring Lost History In Wales.

(34:35)

Cwmorthin Slate Mine, Blaenau Ffestiniog, North Wales ( Pt One )

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Underground Worlds - Cwmorthin Slate Quarry (UKTV Yesterday Channel)

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Cwmorthin Slate Mine Christmas Day

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Cwmorthin Slate Mine

(11:31)

Cwmorthin slate quarry

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WRYSGAN QUARRY, REGARDED AS THE MOST DANGEROUS OF QUARRIES.!

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Exploring Wrysgan Underground Slate Mines, and walking the Miners Track from Cwmorthin.

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Exploring Cwmorthin Slate Mine

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Cwmorthin Lake and Slate Mines - A Majestic Gem of North Wales

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