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Duluth Harbor North Breakwater Light

 
Location: the end of the North Pier of the Duluth Ship Canal near Duluth, MN

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About Duluth Harbor North Breakwater Light

The location of the light is the end of the North Pier of the Duluth Ship Canal. The nearest city is Duluth, MN. The station was first established in 1910. The current lighthouse was first lit in 1910.

The tower has an isophase red light at a focal plane height of 43 ft above mean high water. The light has a nominal range of 16 nautical miles. The tower height is 36 ft. The light has a period of 4 seconds.

Open to the Public?: No    Active?: Yes

Identification number: 7-15855 (U.S.)

An 'isophase' light is a light in which all durations of light and darkness are equal. So in the 4 second period, the light is on for 2 then off for 2.

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