Hypothetical plot line question. How old could a North American civilization be?

  • Thread starter Thread starter Gregg R
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Gregg R

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I'm working on a fictional story about an archaeological find in Arizona. The Anasazi showed up around 1,200 BC.I want this to go much farther back. How far can I go?

From the little I know and the research I've done, the last glacial period that affected this region would have ended around 10-12,000 years ago.

Could there (hypothetically) have been a civilization in Arizona 9,000 years ago? I want it to be older than the Sumerians, but I also want it to be fairly believable. Thanks.
Thanks, Nora
Thanks Msean. I'll check that out.
 
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