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Lake Michigan’s receding waterline

(Image: Alessandro Co/Contrasto/Eyevine)

THE blizzards that hit the north-east US may have dominated the headlines last weekend, but across much of the country the most widespread drought in more than half a century is still biting – especially along the nation’s iconic waterways (see diagram).

Last week, lakes Michigan and Huron hit their lowest levels on record. In Illinois, the US Army Corps of Engineers has been dredging the Mississippi and blasting away rock formations on the riverbed in a bid to maintain the 3-metre depth that barges need to ferry exports to the coast.…

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