Ice Cap Shows Ancient Mines Polluted the Globe

Samples extracted from Greenland's two-mile-deep ice cap yield evidence that ancient Carthaginian and Roman silver miners working in southern Spain fouled global atmosphere with lead for some 900 years;

Publisher: The New York Times

Author: Malcolm W. Browne

Samples extracted from Greenland's two-mile-deep ice cap yield evidence that ancient Carthaginian and Roman silver miners working in southern Spain fouled global atmosphere with lead for some 900 years;

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