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  19. Small Gold Mine in Southern Nevada was Bigger Than First Thought

    Small Gold Mine in Southern Nevada was Bigger Than First Thought

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  20. This Abandoned Gold Mine used a Makeshift Drag Line Operation.

    This Abandoned Gold Mine used a Makeshift Drag Line Operation.

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  23. Testing New Camera Equipment Deep Underground in a Abandoned Mine

    Testing New Camera Equipment Deep Underground in a Abandoned Mine

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