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ALCATRAZ ISLAND LIGHT

State: CALIFORNIA
Location: ALCATRAZ ISLAND /
SAN FRANCISCO BAY
Nearest City: SAN FRANCISCO
County: SAN FRANCISCO
Year Station Established: 1854
Year Automated: 1963
Year Existing Historic Tower Constructed: 1909

 Alcatraz Island Light
Existing Historic Tower:
  • Is the Light Operational? YES; Date Deactivated: N/A
  • Foundation Materials: MASONRY
  • Construction Materials: REINFORCED CONCRETE
  • Markings/Patterns: NATURAL W/BLACK LANTERN
  • Shape: OCTAGONAL PYRAMIDAL
  • Relationship to Other Structures: SEPARATE
  • Tower Height: 84/Height of Focal Plane: 214
  • Original Optic: THIRD ORDER, FRESNEL (1854)
  • Present Optic: DCB-24 (1977)
Modern Tower? NO

Existing Fog Signal Building? NO (DISMANTLED)
  • Fog Signal Type: ELECTRIC KLAXON/ORIG. BELL
Existing Keepers Quarters? NO (DESTROYED)

Other Structures: 1909 STORAGE BUILDING IN THE BASEMENT OF KEEPERS

Owner/Manager: U.S. COAST GUARD/NATIONAL PARK SERVICE

Current Use: ACTIVE AID TO NAVIGATION IN NATIONAL PARK

Open to the Public? YES; GROUNDS ONLY National Register Status: PART OF LISTING: ALCATRAZ

Miscellaneous:
SITE OF FIRST WEST COAST LIGHT



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Last Modified: Thur, Feb 14 2002 9:14:02 am EDT
JMP


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