| 
Country:
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USA 
 | 
| 
Province:
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Oklahoma, Washington Co. 
 | 
| 
Locality:
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OKM-02 
 | 
| 
Layer:
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Lower Barnsdall Fm.(=Eudora sh.,MC M10) | 
| 
Lower Boundary:
 | 
UOK Coffeyville Fm. top, 305.9 million years
 
 | 
| 
Upper Boundary:
 | 
U   Missourian--Virgilian     [MIS--VIR], 305 million years
 
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| 
Georeference:
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