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Country:
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USA 
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Province:
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Nevada, Clark Co. 
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Locality:
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Las Vegas,Indian Springs,4.5 mi sw of 
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Layer:
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Bird Spring Fm., 1-3 ft above base | 
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Lower Boundary:
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UAR Brentwood Lst.--Woolsey, 312.5 million years
 
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Upper Boundary:
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UAR Woolsey--Dye Shale, "caprock", 311.7 million years
 
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Georeference:
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