Spear tips from Northwest Alaska add clues to mystery of first Americans

Alaska Dispatch NewsSpear tips from Northwest Alaska add clues to mystery of first AmericansAlaska Dispatch NewsHe pictures the treeless bluff near Serpentine Hot Springs as a place hunters would scan for caribou and bison while working on the chert tips for their spears. Their leavings led Goebel to write in a paper: "Serpentine may represent the ...and more »

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