Inventory of Historic Light Stations--Minnesota Lighthouses--Duluth South Breakwater Lights

Inventory of Historic Light Stations
Minnesota Lighthouses

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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

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

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

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