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Country:
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USA 
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Province:
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Arkansas, Izzard Co. 
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Locality:
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Tate Spring, 600 feet NE of 
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Layer:
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St. Joe Limestone of Boone Formation | 
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Lower Boundary:
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UMO St.Joe Limestone base, 349 million years
 
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| 
Upper Boundary:
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UMO St.Joe Limestone-Reeds Spring Chert, 347 million years
 
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Georeference:
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