martin 100: Hohenzollerngrube
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martin 100: Hohenzollerngrube
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martin 100: Grube Concordia
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martin 100: Monceau Fontaine
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martin 100: Deutschlandgrube
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martin 100: Graf Franz Grube
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martin 100: DSC_8041
martin 100: 2015-08-07_11-41-55_1