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Rogpow: Drumhouse detail (3), Upper Incline Drumhouse, Cwm Machno Slate Quarry
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Rogpow: Drumhouse detail (2), Upper Incline Drumhouse, Cwm Machno Slate Quarry
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Rogpow: Drumhouse detail (1), Upper Incline Drumhouse, Cwm Machno Slate Quarry
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Rogpow: Collapsed roof, Cwm Machno Slate Quarry.
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Rogpow: View through the timbers, Cwm Machno Slate Quarry
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Rogpow: Quarry Office, Cwm Machno Slate Quarry
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Rogpow: Upper Incline Drumhouse, Cwm Machno Slate Quarry