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Director / Editor: Victor Teboul, Ph.D.
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Where nature draws the map – here are 5 ways to look at the US, without state boundaries

By Stewart Edie, Research Geologist and Curator of Paleobiology, Smithsonian Institution
Torben Rick, Curator of North American Archaeology, Smithsonian Institution
State lines are one way to picture the US, but natural history provides another – one that shows the ancient and living connections running across the landscape.The Conversation


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