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High Temps Drop Great Lakes Ice Coverage Under 20%, Currently Stands at 16%

Caseville Breakwall Winter 2021

The Detroit Army Corps of Engineers have kept records of ice coverage going back to 1973. The map shows the current extent of the ice cover on the Great Lakes.

We are tracking the Great Lakes Ice Coverage for the Winter of 2021.

Get Five decades of Great Lakes ice cover data

Lake Ice with Reeds

Learning the major effects of ice on the Great Lakes will be crucial. Access to ice cover data is essential. Ice on the Great Lakes impacts many societal benefits provided by the lakes, from hydropower generation to commercial freight to commercial and recreational fishing. Thumbwind has been tracking the 2021s Great Lakes Ice Coverage. Over … Read more

Great Lakes Shipbuilding in Saginaw Bay During the Lumber Era

Ship Compass

The times of greatest shipbuilding in the Great Lakes region was during the lumbering era. From 1839 until the early 1890s, the virgin old-growth Michigan forests were cut down to produce lumber for growing towns and cities in the lower Great Lakes. Michigan was the nation’s leading lumber producer from 1869 until about 1900. The only way to transport finished milled lumber from the shore side mills in the Great Lakes was by ship.