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The pre-Historic and Historic periods occurred at different times between the Eastern United States and the Western United States. |
Mid-USA and Eastward:
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Paleo |
12,000 to 11,000 BC |
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Late Paleo |
10,000 to 8,000 BC |
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Transitional Paleo |
9,000 to 7,000 BC |
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Early Archaic |
8,000 to 5,000 BC |
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Middle Archaic |
5,000 to 2,000 BC |
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Late Archaic |
2,000 to 1,000 BC |
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Woodland |
1,000 BC to 700 AD |
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Mississippian |
700 AD to 1600 AD |
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Historic |
1600 AD to 1830 AD |
The Western United States
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Time Era |
Date Range |
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Paleo |
12,000 to 6,000 BC |
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Early Archaic |
6,000 to 3,500 BC |
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Middle Archaic |
3,550 to 1,300 BC |
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Late Archaic |
1,500 to 300 BC |
The following periods or eras are termed "the Desert Traditions" in the Western United States:
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Transitional |
300 BC to 400 AD |
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Developmental |
400 to 1300 AD |
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Classic |
1300 to 1600 AD |
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Historic |
1600 to 1830 AD |
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