Cover-up: nearly 75 percent of the Great Lakes covered in ice
By: Keith Matheny / Detroit Free Press
It's a far icier winter than last year's for the Great Lakes.
Lake Superior is 94 percent ice-covered as of Friday — the first time the largest Great Lake has had more than 90 percent ice coverage in four years. At this time last year, Superior had just 49 percent ice coverage — and was only 7.3 percent ice-covered at this time in 2017, a dramatic two-winter swing.
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