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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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Sulphur Creek, 4.5 mls SW of 
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Layer:
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Kessler Lst. | 
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Lower Boundary:
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UAR Dye Shale--Kessler lmst., 311.3 million years
 
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Upper Boundary:
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UOK Kessler/disconform., Diabolocer.base, 311.1 million years
 
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Georeference:
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