8,500 to 13,000 years ago...

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Initial Early Period

6,500 to 8,500 years ago...

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Altithermal

5,000 to 6,500 years ago...

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Terminal Early Period

 3,200 to 5,000 years ago...

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Middle Period

800 to 3,200 years ago...

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Late Period

Mission Influence to 800 years ago...

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Present