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Yooper4ever: Old Calumet Pond boiler house
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Yooper4ever: Interior of the Calumet Pond boiler house
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Yooper4ever: Boiler House steel trestle
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Yooper4ever: Old Boiler House
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Yooper4ever: P5111163 (Medium)
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Yooper4ever: Railroad track going into boiler house
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Yooper4ever: Boiler House end view