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In June 2002, the U. S. Geological Survey published a report “Glacial Ice Cores Reveal A Record of Natural and Anthropogenic Mercury Deposition for the Last 270 Years” showing measured mercury…
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In June 2002, the U. S. Geological Survey published a report “Glacial Ice Cores Reveal A Record of Natural and Anthropogenic Mercury Deposition for the Last 270 Years” showing measured mercury…
