|
gptkbp:instanceOf
|
lighthouse
|
|
gptkbp:accessibility
|
accessible by ferry
|
|
gptkbp:architect
|
gptkb:Alfred_E._Smith
|
|
gptkbp:associatedWith
|
Alcatraz Federal Penitentiary
|
|
gptkbp:automated
|
1969
|
|
gptkbp:climate
|
foggy conditions common
|
|
gptkbp:colors
|
white
|
|
gptkbp:communityEvents
|
held_on_Alcatraz_Island
|
|
gptkbp:communityInvolvement
|
local volunteers participate in maintenance.
|
|
gptkbp:constructedIn
|
1854
|
|
gptkbp:constructionMaterial
|
brick
|
|
gptkbp:coordinates
|
37.8265° N, 122.4220° W
|
|
gptkbp:culturalEvents
|
celebrated by local community
|
|
gptkbp:culturalSignificance
|
symbol_of_American_history
|
|
gptkbp:currentStatus
|
inactive
|
|
gptkbp:decommissioned
|
1963
|
|
gptkbp:educationalPrograms
|
available for school groups
|
|
gptkbp:environmentalImpact
|
part of local ecosystem
|
|
gptkbp:exhibits
|
historical artifacts
|
|
gptkbp:famousFor
|
its_role_in_the_history_of_Alcatraz_Island
|
|
gptkbp:famousLandmark
|
Alcatraz prison
|
|
gptkbp:featuredIn
|
films and documentaries
|
|
gptkbp:firstHeld
|
true
|
|
gptkbp:has_a_focus_on
|
100 feet
|
|
gptkbp:height
|
84 feet
|
|
gptkbp:historicalEvent
|
served_during_the_Civil_War
|
|
gptkbp:historicalPeriod
|
ongoing efforts
|
|
gptkbp:historicalSignificance
|
important maritime navigation point
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alcatraz Island lighthouse
|
|
gptkbp:landmark
|
National_Historic_Landmark
|
|
gptkbp:lighting
|
LED technology
Fl_W_15s
|
|
gptkbp:lightRange
|
12 nautical miles
|
|
gptkbp:localWildlife
|
seabirds
|
|
gptkbp:locatedIn
|
gptkb:Alcatraz_Island
|
|
gptkbp:maintenance
|
gptkb:U.S._National_Park_Service
|
|
gptkbp:notableFeature
|
famous criminals
|
|
gptkbp:operatedBy
|
gptkb:U.S._Coast_Guard
|
|
gptkbp:operationalStatus
|
not operational
|
|
gptkbp:partOf
|
gptkb:Golden_Gate_National_Recreation_Area
|
|
gptkbp:photography
|
tourists
|
|
gptkbp:primaryFunction
|
navigation aid
|
|
gptkbp:publicAccess
|
limited access due to preservation efforts
|
|
gptkbp:renovated
|
2000s
|
|
gptkbp:researchInterest
|
available for historians
|
|
gptkbp:style
|
Italianate
|
|
gptkbp:surroundingArea
|
gptkb:San_Francisco_Bay
rocky coastline
|
|
gptkbp:touristAttraction
|
true
|
|
gptkbp:viewpoint
|
Alcatraz tours
|
|
gptkbp:visibility
|
visible_from_San_Francisco_Bay
|