Artifacts digging continuation

[ethan970621]

As we continue to dig downward @3 to 9 feet deep, i begun to doubt that this site was a japanese burial deposit during world war 2

 

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[E-Trac-Ohio]

Very interesting !

 

[pepperj]

That's a lot of digging, what were the purpose of the round flat stones?

 

[ethan970621]

That's a lot of digging, what were the purpose of the round flat stones?

This requires to solve the puzzle, deeper studies must be organized to understand what are this symbols mean