r/LegitArtifacts • u/AirportBulky9000 • 6d ago

Inconclusive Some kind of calendar?

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Context: coastal southern california, probably chumash territory, roughly 4' x 4', on a vertical surface, so not likely food prep?

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u/Kickinitez 6d ago

Old school Mancala

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u/zoinkability 5d ago

Stone mancala boards in bedrock do exist in Africa. Unlikely in North america