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The shipping channels pass on opposite sides of Neebish Island in the St Marys River. The waterway allows passage from the Atlantic Ocean to the inland port of Duluth on Lake Superior, a distance of 2,340 miles (3,770 km) and to Chicago, on Lake Michigan, at 2,250 miles (3,620 km). [3]
Lake Superior's water level was at a new record low in September 2007, slightly less than the previous record low in 1926. [23] Water levels recovered within a few days. [24] Historic high water The lake's water level fluctuates from month to month, with the highest lake levels in October and November. The normal high-water mark is 1.17 feet (0 ...
The Lake Superior shipwreck coast from Grand Marais, Michigan, to Whitefish Point became known as the "Graveyard of the Great Lakes". More vessels have been lost in the Whitefish Point area than any other part of Lake Superior. [117] The Whitefish Point Underwater Preserve serves as an underwater museum to protect the many shipwrecks in this area.
The State of Michigan was given land by the federal government to construct a lock after copper and iron ore was discovered on Lake Superior. The lock consisted of two chambers back-to-back to bridge the difference in water level. [9] This lock was 350 ft (110 m) long, 60 ft (18 m) wide, and 12 ft (3.7 m) deep. [9]
Siskiwit Lake [1] is the largest lake on Isle Royale in Lake Superior. 4,150 acres (16.8 km 2) in area, [2] the lake has cold, clear water which is relatively low in nutrients. [3] Tributaries include the Little Siskiwit River , and the lake's outlet is the Siskiwit River which flows into Lake Superior.
Below is a list of ports in the Great Lakes region, which includes Lake Erie, Lake Huron, Lake Michigan, Lake Ontario, and Lake Superior, as well as the smaller Lake St. Clair. Lake Superior [ edit ]
Researchers forced to cut short an annual survey of wildlife on a remote Lake Superior island this winter due to unusually warm weather announced Tuesday that they managed to gather data that ...
Whitefish Point Lighthouse is the oldest active light on Lake Superior. Part of the lighthouse station houses the Great Lakes Shipwreck Museum . It holds artifacts from the shipwrecks listed below and has information on the notable wreck of SS Edmund Fitzgerald in 1975, in which all 29 crew were lost.