National Museum of American History, Behring Center

Lighthouse Postcards

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Duluth North Pier postcard face - click to enlarge

Duluth North Pier postcard obverse - click to enlarge

Locate on NOAA nautical chart

Duluth North Pier

State: MN
Year established: 1910
Latitude: 46 deg 46 min 54 sec N
Longitude: 92 deg 5 min 18 sec W
Height above sea level: 43 feet

Original construction:
existing 37-foot white cylindrical cast-iron clad steel tower with black lantern

active aid to navigation

Light characteristic:
alternating 3 seconds red and 3 seconds dark visible for 16 nautical miles

More information:
Roberts, Bruce and Jones, Ray, Great Lakes Lighthouses Ontario, Erie, Huron, Michigan, and Superior, (Old Saybrook, CT: The Globe Pequot Press, 1994) p. 111
Berger, Todd R., Lighthouses of the Great Lakes, (Stillwater, MN: Voyageur Press, 2002), p. 125
U.S. Department of Homeland Security / United States Coast Guard, Light List, Volume VII, Great Lakes and the St. Lawrence River above the St. Regis River, (Washington, DC: GPO, 2004), p. 155