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Aplin Beach Coal Mine, Bangor Township, MI
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Bay Coal Mine No. 1, Monitor Township, MI
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Pittsburg Coal Mine, Frankenlust Township, MI
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Bay City No. 2 Coal Mine, Frankenlust Township, MI
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Beaver Coal Mine, Frankenlust Township, MI
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Central Coal Mine, Bay City, MI
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Crescent Coal Mine, Bangor Township, MI
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Michigan Standard Coal & Mining Co. Coal Mine, Monitor Township, MI
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Michigan Vitrified Brick Coal Mine, Frankenlust Township, MI
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Monitor Coal Mine, Monitor Township, MI
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Monitor Coal Mine No. 1, Monitor Township MI
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New Michigan Coal Mine No. 1, Bay County, MI
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New Monitor Coal Mine, Bay County, MI
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Randall Coal Mine, Williams Township, MI
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Robert Gage Coal Mine No. 6, Monitor Township, MI
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Robert Gage Coal Mine No. 5, Williams Township, MI
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Robert Gage Coal Mine No. 7, Williams Township, MI
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Salzburg Coal Mine, Salzburg, MI
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Sun Coal Mine, Monitor Township, MI
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Uncle Henry Coal Mine No. 1, Bay County, MI
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Uncle Henry Coal Mine No. 2, Merritt, MI
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United City Coal Mine, Bangor Township, MI
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Wenona Coal Mine, Bangor Township, MI
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What Cheer Coal Mine No. 1, Merritt Township, MI
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Wolverine Coal Mine No. 2, Monitor Township, MI
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Wolverine Coal Mine No. 3, Williams Township, MI
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