PALEO          12,000 - 10,000 BC   

DALTON       8,500 - 7,500 BC

ARCHAIC     early 7,500 BC   middle 5,000 BC   late 3,000 BC

WOODLAND   early 1,000 BC   middle 500 BC   late 500 AD

MISSISSIPPIAN   600 AD - 1300 AD

HISTORIC   1500 AD  to  PRESENT