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 […]