News Posted December 12, 2013 Share Posted December 12, 2013 Ice formation on the Great Lakes is a clear signal of winter. Looking back in time, the lakes were formed over several thousands of years as mile-thick layers of glacial ice advanced and retreated, scouring and sculpting the basin. For January 2014, NOAA scientists are predicting maximum ice cover!More... Link to comment Share on other sites More sharing options...
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