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Country:
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USA 
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Province:
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Arkansas, Washington Co. 
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Locality:
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Fayetteville, S end of East Mountain 
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Layer:
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Hale Fm., Prairie Groove member | 
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Lower Boundary:
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UAR Cane Hill--Prairie Grove of Hale Fm., 314.8 million years
 
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Upper Boundary:
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U   Halian--Bloydian, Brentwood base, 313 million years
 
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Georeference:
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