Native American shell ring villages may have been occupied then abandoned because of climate change - Phys.org

Mollusk shells at 4,000-year-old Native American shell ring villages indicate that environmental change may have driven the formation and abandonment of these coastal communities, according to a study by Carey Garland and Victor Thompson in the open-access jo…

Mollusk shells at 4,000-year-old Native American shell ring villages indicate that environmental change may have driven the formation and abandonment of these coastal communities, according to a stud… [+3891 chars]

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