Inventory of Historic Light Stations--Michigan--Round Island Passage Light

Inventory of Historic Light Stations
Michigan Lighthouses

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ROUND ISLAND PASSAGE LIGHT

State: MICHIGAN
Location: STRAITS OF MACKINAC / LAKE HURON
Nearest City: MACKINAC ISLAND
County: MACKINAC
U.S.C.G. District: 9
Year Station Established: 1948

NPS photo by Ralph Eshelman

Existing Historic Tower:

Year Light First Lit: 1948
Is the Light Operational? YES
Date Deactivated: N/A
Automated: 1973
Foundation Materials: CRIB
Construction Materials: REINFORCED CONCRETE
Markings/Patterns: WHITE TOWER ON RED HOUSE ON WHITE BASE
Shape: SKELETAL
Relationship to Other Structures: INTEGRAL
Tower Height: 60
Original Optic: SEALED BEAM
Year Original Lens Installed:
Present Optic: 190 MM
Year Present Lens Installed:
Height of Focal Plane: 71
Fresnel Lens Disposition:
Has tower been moved? NO

Previous Tower(s): N/A

Modern Tower? NO

Existing Sound Signal Building? NO

Fog Signal Type: HORN

Existing Keepers Quarters? UNKNOWN

Year Constructed: 1948
Number of Stories:
Architectural Style:
Construction Materials:

Other Structures: RADIOBEACON

Current Use: ACTIVE AID TO NAVIGATION

Owner/Manager: U.S. COAST GUARD

Open to the Public? NO

Web Site:

National Register Status: NONE; Reference # 0
Name of Listing: DETERMINED ELIGIBLE BY SHPO
On State List/Inventory? NO; Year Listed:

Miscellaneous:

Last Modified: Tue, Apr 30 2002 1:35:02 pm EDT
JMP

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