ROCK OF AGES LIGHT
Location: OFF ISLE ROYALE/LAKE SUPERIOR
Nearest City: HOUGHTON
County: KEWEENAW
U.S.C.G. District: 9
Year Station Established: 1908
Existing Historic Tower:
Year Light First Lit: 1908
Is the Light Operational? YES
Date Deactivated: N/A
Automated: 1978
Foundation Materials: CONCRETE PIER/STEEL CAISSON
Construction Materials: STEEL/MASONRY/CONCRETE
Markings/Patterns: WHITE W/BLACK BASE & LANTERN
Shape: CYLINDRICAL “BOTTLE SHAPE”
Relationship to Other Structures: INTEGRAL
Tower Height: 117
Original Optic: SECOND ORDER, FRESNEL
Year Original Lens Installed: 1910
Present Optic: 190 MM
Year Present Lens Installed: 1985
Height of Focal Plane: 130
Fresnel Lens Disposition: ORIGINAL REVOLVING LENS ON EXHIBIT AT WINDIGO INFORMATION STATION AT ISLE ROYALE NATIONAL PARK
Has tower been moved? NO
Previous Tower(s): N/A
Modern Tower? NO
Existing Sound Signal Building? NO
Existing Keepers Quarters? YES
Year Constructed: 1908
Number of Stories: 0
Architectural Style: INTEGRAL TO TOWER
Construction Materials: STEEL/MASONRY/CONCR
Other Structures: NONE
Current Use: ACTIVE AID TO NAVIGATION IN NATIONAL PARK
Owner/Manager: U.S. COAST GUARD
Open to the Public? YES (Goto Publicly Accessible Lighthouses for access information)
Web Site: ISLE ROYALE NATIONAL PARK
National Register Status: LISTED Reference #83000881
Name of Listing: ROCK OF AGES LIGHT STATION (U.S. COAST GUARD/GREAT
LAKES TR) On State List/Inventory? NO; Year Listed:
Documented by HABS/HAER? YES MI-388 (WASO)
Miscellaneous:
MAJOR ENGINEERING FEAT BECAUSE OF ISOLATED LOCATION