Sunday, October 22, 2017

MICHIGAN ISLAND LIGHTHOUSES

APOSTLE ISLANDS/LAKE SUPERIOR
Station Established: 1857
Year Current Tower(s) First Lit: 1869; Second Tower: 1880
Operational? NO; Second Tower? YES
Automated? YES 1943
Deactivated: 1929; Second Tower: n/a
Foundation Materials: NATURAL/EMPLACED; Second Tower: CONCRETE
Construction Materials: MASONRY; Second Tower: CAST IRON
Tower Shape: CONICAL; Second Tower: SKELETAL W/CENTRAL CYLINDER
Markings/Pattern: BLACK LANTERN ON WHITEWASHED MASONRY TOWER; Second Tower: WHITE
Relationship to Other Structure: ATTACHED; Second Tower: SEPARATE
Original Lens: THIRD AND HALF ORDER, FRESNEL 1869