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Country:
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USA 
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Province:
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Nevada, Nye Co. 
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Locality:
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South Syncline Ridge, Nevada Test Site 
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| 
Layer:
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Scotty Wash Fm., trench unit 3-17 | 
| 
Lower Boundary:
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DER E2b--E2c(Cravenocerat.--Nuculoceras), 321 million years
 
 | 
| 
Upper Boundary:
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Arnsbergian--Chokierian [ARN--CHO], 319 million years
 
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Georeference:
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