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32 votes
32 votes
When did they Build the Serpent Mound

User Mitch Cohen
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2 Answers

26 votes
26 votes

Answer:

between 800 B.C. and A.D. 100.

Step-by-step explanation:

15 votes
15 votes

Answer:

In 2014, another research team carbon-dated a number of other charcoal samples, placing the construction of Serpent Mound between 381 B.C. and 44 B.C., with a mean date of 321 B.C. The new evidence suggests, once again, that the Adena were the original builders of Serpent Mound.

User Harukaze
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