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Nature 422, 10-12 (6 March 2003) | doi:10.1038/422010a
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Archaeology: The coast road
Rex Dalton1
Abstract
America's first inhabitants were people from Asia who migrated over a now-submerged land bridge between the two continents. But when did they come, and where did they go after making their crossing? Rex Dalton reports.
Along the storm-lashed coast of southeast Alaska, where dense forests shroud weather-pocked limestone formations, Timothy Heaton spends his summers prowling remote islands in search of a special cave. He drops into sinkholes, squirms through narrow tunnels, and probes the sediments of underground caverns.
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