Bird Spring Formation
The Bird Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Carboniferous and Permian periods.
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Bird Spring Formation
The Bird Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Carboniferous and Permian periods.
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The Bird Spring Formation is a ...... oniferous and Permian periods.
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43,266,255
Wikipage revision ID
662,852,311
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Bird Spring Formation
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The Bird Spring Formation is a ...... oniferous and Permian periods.
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Bird Spring Formation
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