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DULUTH SOUTH BREAKWATER LIGHTS

State: MINNESOTA
Location: DULUTH HARBOR ON LAKE SUPERIOR
Nearest City: DULUTH
County: ST. LOUIS
U.S.C.G. District: 9
Year Station Established: 1901

Duluth South Breakwater Outer Light
Duluth South Breakwater Inner Light
Inner light (above) and outer light (left); NPS photos by Ralph Eshelman, 1998
Existing Historic Tower (INNER LIGHT):
  • Year Light First Lit: 1901
  • Is the Light Operational? YES
  • Date Deactivated: N/A
  • Automated:
  • Foundation Materials: CONCRETE
  • Construction Materials: STEEL FRAME/IRON LANTERN
  • Markings/Patterns: BLACK STAIRWELL/WHITE LANTERN
  • Shape: SKELETAL W/CENTRAL CYLINDER
  • Relationship to Other Structures: SEPARATE
  • Tower Height: 67
  • Original Optic: FOURTH ORDER FRESNEL / FIFTH ORDER FRESNEL
  • Year Original Lens Installed: 1896 / ?
  • Present Optic: UNKNOWN
  • Year Present Lens Installed:
  • Height of Focal Plane: 68
  • Fresnel Lens Disposition: FIFTH ORDER ON LOAN FROM THE USCG TO THE CANAL PARK MARINE MUSEUM
  • Has tower been moved? NO
Second Historic Tower (OUTER LIGHT):
  • Year Light First Lit: 1901
  • Is the Light Operational? YES
  • Date Deactivated: N/A
  • Automated: 1976
  • Foundation Materials: CONCRETE BREAKWATER
  • Construction Materials: BRICK
  • Markings/Patterns: WHITE W/RED ROOF
  • Shape: CYLINDRICAL ON SQUARE HOUSE
  • Relationship to Other Structures: INTEGRAL
  • Tower Height: 35
  • Original Optic: FOURTH ORDER, FRESNEL
  • Year Original Lens Installed:
  • Present Optic: FOURTH ORDER
  • Year Present Lens Installed:
  • Height of Focal Plane: 44
  • Has tower been moved? NO
Fresnel Lens Disposition:

Previous Tower(s): N/A

Modern Tower? NO

Existing Sound Signal Building? YES
  • Year Constructed: 1901
  • Construction Materials: BRICK
  • Architectural Style: INTERGRAL TO OUTER TOWER
  • Fog Signal Type: AIR DIAPHONE HORN/ORIG. BELL
Existing Keepers Quarters? UNKNOWN
  • Year Constructed: 1874
  • Number of Stories:
  • Architectural Style:
  • Construction Materials: FRAME
Other Structures: OIL HOUSE (1894)

Current Use: ACTIVE AID TO NAVIGATION

Owner/Manager: U.S. COAST GUARD

Open to the Public? NO

Web Site:

National Register Status: LISTED; Reference #83000945
Name of Listing: DULUTH SOUTH BREAKWATER INNER LIGHTHOUSE (U.S. COAST GUARD/GREAT LAKES TR); OUTER LIGHT DOE BY SHPO AS PART OF DULUTH SHIP CANAL
On State List/Inventory? NO; Year Listed:

HABS/HAER Documentation? YES, MN-29-23

Miscellaneous:
INNER TOWER ONE OF THE OLDEST SKELETAL LIGHTHOUSES ON LAKE SUPERIOR; IMPORTANT TO DEVELOPMENT OF DULUTH AS A PORT



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Last Modified: Tues, Mar 16 2004 7:05:02 pm EDT
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