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Rogpow: Linhay and Dry, Wheal Alfred, Tregargus
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Rogpow: Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Waterwheel Axle, Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Waterwheel, Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Chimney attached to the Dry, Wheal Alfred China Stone Complex, Tregargus
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Rogpow: Waterwheel Axle, Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Waterwheel, Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Grinding Pans, Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Waterwheel, Wheal Alfred China Stone Mill, Tregargus
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Rogpow: Wheal Alfred China Stone Mill, Dry and Linhay, Tregargus