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I Cooper: Entrance to Rouse's Sand Mine, Peel Street
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I Cooper: Light fitting
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I Cooper: 1940's Air raid shelter
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I Cooper: Air raid shelter sign
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I Cooper: Air raid shelter sign
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I Cooper: Air raid shelter modifications
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I Cooper: Another light fitting
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I Cooper: Air raid shelter lady's toilets
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I Cooper: Edge of air raid shelter
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I Cooper: Moving away from air raid shelter into mine
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I Cooper: U/G Gate
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I Cooper: Rouse's Sand Mine
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I Cooper: Original mine ventilation shaft to surface
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I Cooper: Original mine entrance
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I Cooper: Broad Marsh Caves
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I Cooper: Broad Marsh Caves
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I Cooper: Broad Marsh Caves
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I Cooper: Broad Marsh Caves
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I Cooper: Broad Marsh Caves
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I Cooper: Willoughby House Cave
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I Cooper: Willoughby House Cave
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I Cooper: Willoughby House Cave