The Chumash Indians, hunter-gatherers centered on the south-central coast of California, were using highly worked shells as currency as early as 2,000 years ago, about 1,000 years earlier than archaeologists thought.
The Chumash Indians, hunter-gatherers centered on the south-central coast of California, were using highly worked shells as currency as early as 2,000 years ago, about 1,000 years earlier than archaeologists thought.
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