Silver Valley Cleanup
In this May 26, 1996 file photo, spectators watch three of four large smokestacks being demolished near Kellogg, Idaho. The Silver Valley used to be one of the most polluted places in the country, as toxic metals like arsenic and lead stripped the hillsides of vegetation and poisoned the blood of children. Nearly 20 years of Superfund cleanup at a closed mining and smelter complex in nearby Kellogg, Idaho, have greened the mountains and improved human health. Yet a proposal by the U.S. Environmental Protection Agency for a huge expansion of cleanup to outlying areas has sparked a fight. (AP Photo/Ron Swords, file)
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