Low Great Lakes Water Levels in 2012
In 2011, the US Army Corps of Engineers were forecasted lower Great Lakes Water Level in 2012 for Lake Superior, Lake Michigan, and Lake Huron.
Given the number of raw materials and agriculture affected, the reduced number of shipping days and access to key ports typically cost jobs and impact the United States economy. Each year, the amount of iron ore alone shipped through the Soo Locks is $500.4 billion.
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