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Midwestern states — including Kansas, Missouri, Iowa and Nebraska — exceed the national average of detectable levels of lead in the blood of children. The U.S. Environmental Protection Agency released a new plan to reduce lead exposure.
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Efforts to open silica mines in southeast Missouri are bringing back memories of toxic lead mining that scarred the region centuries ago. Plus, a Midwest "rite of passage" that was predominantly done by teenagers has changed as seed companies shift jobs to migrant workers.
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A company called Nexgen Silica hopes to build a mine in St. Genevieve County. Residents who live with the toxic legacy of lead mining worry history could be repeating itself.