Kitchi-Gami Almanac

Current Map of Lake Superior


Deep into Dredging for 2008

Of several federally funded dredging projects in the Lake Superior region this past year, the largest, at $1.27 million, was in Duluth-Superior.

About 158,000 cubic yards of material was dredged from the Superior Bay entry and used for erosion control.

Other 2008 dredging projects on Lake Superior, which help to keep maritime traffic flowing, were announced by the U.S. Army Corps of Engineers’ Detroit office. They were: Grand Marais, Minnesota, $319,000; Saxon Harbor, Wisconsin, $208,000; St. Marys River, Michigan, where 24,000 cubic yards was removed from the West Neebish Channel between Neebish Island and the mainland, $727,000; Au Sable Harbor, Michigan, $196,000; Big Bay and Whitefish Point harbors in Michigan, a combined cost of $364,000; and a combined project in Ontonagon, Michigan, and Port Wing and Cornucopia, Wisconsin, harbors costing $583,000.


History Notes

Lake BulletDecember 4, 1945: Canada’s first woman astronaut, Roberta Bondar, is born in Sault Ste. Marie, Ontario.
Lake BulletDecember 5, 1950: A snowstorm lasting to December 8 drops 34.5 inches of snow on Duluth.
Lake BulletDecember 7, 1968: Ironwood, Michigan, hosts its first snowmobile derby, drawing 650 entries and about 7,000 spectators.
Lake BulletJanuary 25, 1983: The U.S. Court of Appeals rules that the Ojibway bands of Lake Superior (each a sovereign tribe) legally retained hunting, fishing and gathering rights.


Lake Levels

Current Water Levels
The levels on the hydrographs are shown in both feet and meters above (+) or below (-) Chart Datum. Chart Datum, also known as Low Water Datum, for Lake Superior is 601.1 feet (183.2 meters). It is a reference plane to which water depth and Federal navigation improvement depths on navigation charts are referred.
Water Level Key


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