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Country:
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Poland 
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Province:
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Upper Silesian Coal Basin 
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Locality:
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Golonóg IG1 borehole 
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Layer:
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Go beta fa, 874-923,2 m | 
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Lower Boundary:
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DER Go beta striatus--Go beta falcatus, 329.4 million years
 
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| 
Upper Boundary:
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DER Go beta falcatus--Go beta gracilis, 329.1 million years
 
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Georeference:
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