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Eight Forty-Eight

Electric barrier, last line against invasive species

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In connecting the Great Lake Michigan to the Mighty Mississippi, Chicago left the back door open to some unwelcome visitors. Asian Carp are the latest threat and our last line of defense spans the Sanitary and Ship Canal, about 30 miles southwest of the city. WBEZ’s Gabriel Spitzer visited the electric barriers there.  In this report he explains how engineers are trying to hold the line against the fish.

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