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Country:
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USA 
 | 
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Province:
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New Mexico, Otero Co. 
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Locality:
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Sacramento Mts., Sly gab in Marble Cany. 
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| 
Layer:
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Caballero Formation | 
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Lower Boundary:
 | 
UNM Caballero Fm. base, 357.5 million years
 
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| 
Upper Boundary:
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UNM Caballero Fm. top, 353 million years
 
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| 
Georeference:
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