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MR MARK | photography: Pipe, Sloss Furnaces
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MR MARK | photography: Underground Tunnel, Sloss Furnaces
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MR MARK | photography: Cooling Pond, Sloss Furnaces
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MR MARK | photography: Opening, Sloss Furnaces
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MR MARK | photography: Tunnel of Trestles, Sloss Furnaces
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MR MARK | photography: Three Valve Handles, SlossFurnaces
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MR MARK | photography: Sloss Furnaces, Birmingham, AL