Science: Diggers

Whenever U.S. archaeologists succeed in extending backwards the length of time that human beings have lived in North America, their European colleagues go them one better. Archaeologist James A. Ford recently reported traces of human settlement in northern Louisiana that he reckons to be 2,700 years old. Last week Professor Alberto Carlo Blanc announced the discovery of man-made tools near Rome "over 200,000 years old."

Six-Ringed City. The U.S. find was at Poverty Point, now on Louisiana's sluggish Bayou Macon. The site has been recognized as man-made for 50 years, but its real character escaped appreciation until Professor Ford got air photos...

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