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Country:
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USA 
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Province:
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Texas, Palo Pinto Co. 
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Locality:
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Mineral Wells, 4 mls W of, Brazos River 
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Layer:
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Mineral Wells Fm., East Mountain Shale | 
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Lower Boundary:
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UTX Mineral Wells Fm. base, 306.8 million years
 
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Upper Boundary:
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UTX Mineral Wells Fm. top, 305.9 million years
 
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Georeference:
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