Scientists Find History of Atmospheric Lead Recorded in a Swiss Peat Bog

By DAVID L. WHEELER

European scientists have found a detailed record of environmental lead levels over the past 14,000 years in the layers of a peat bog in Switzerland's Jura Mountains.

Although researchers have previously obtained historical records of lead levels from other peat bogs and ice cores, the European scientists have what is believed to be the first complete record of lead to span most of the time since the last ice

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Scientists Find History of Atmospheric Lead Recorded in a Swiss Peat Bog

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