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Country:
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USA 
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Province:
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Oklahoma, Tulsa Co. 
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Locality:
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Collinsville, OKD-02 
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Layer:
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Holdenville Fm., Nuyaka Creek shale bed | 
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Lower Boundary:
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UOK Holdenville Fm. base, 306.8 million years
 
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| 
Upper Boundary:
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UOK Holdenville Fm. top, 306.5 million years
 
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Georeference:
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