Pfeffer News

7.06.2011

Harbors Threatened by Dredging Backlog

Ann Arbor, MI



Michigan Radio – The Great Lakes form a sprawling ecosystem of nature and industry.  In a strong economy, ships can transport up to 200 million tons of cargo across these waters each year.  But now the shipping industry has declared a state of emergency.  Kate Davidson reports the cause is a region-wide dredging backlog.  Shippers worry sediment buildup threatens to choke some navigation channels.



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