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Even the strongest climate change skeptics are aware of the cyclical nature of sea level rise. Encroachment of the sea is related to the melting of the ice sheets and the associated elevation of global water lines along our coasts. However, the earliest Americans populated the New World at the end of the Ice Age, at least 15,000 years ago. At that time sea level was depressed by about 30 meters since the ocean waters were locked up as frozen ice sheets. In recent years the search for evidence of the late glacial hunters and Stone Age man in the Americas has concentrated on explorations along t
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