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Lead ores --- Silver ores
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Silver ores --- Argent --- Minerais
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Copper ores --- Silver ores --- Copper ores --- Silver ores
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Gold. --- Silver ores --- Assaying. --- Assaying. --- Gold. --- Silver ores. --- Kansas.
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Gold. --- Silver ores --- Assaying. --- Kansas.
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Silver ores --- Mines and mineral resources --- Mines and mineral resources. --- Silver ores. --- Colorado
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