Statements (25)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:lighthouse | 
| gptkbp:addedToNationalRegisterOfHistoricPlaces | 1988 | 
| gptkbp:automated | 1975 | 
| gptkbp:basisFor | granite caisson | 
| gptkbp:built | gptkb:granite | 
| gptkbp:builtYear | 1871 | 
| gptkbp:country | gptkb:United_States | 
| gptkbp:focusArea | VRB-25 | 
| gptkbp:hasFogSignal | horn, 2 blasts every 30 seconds | 
| gptkbp:height | 76 ft 77 ft | 
| gptkbp:latitude | 43.6233 | 
| gptkbp:lightCharacteristic | Flashing white every 7.5 seconds | 
| gptkbp:locatedIn | gptkb:Maine | 
| gptkbp:location | gptkb:Casco_Bay | 
| gptkbp:longitude | -70.0617 | 
| gptkbp:managedBy | gptkb:United_States_Coast_Guard | 
| gptkbp:NRHPReferenceNumber | 87002277 | 
| gptkbp:originalLens | second order Fresnel lens | 
| gptkbp:range | 18 nautical miles | 
| gptkbp:shape | conical tower | 
| gptkbp:status | active | 
| gptkbp:bfsParent | gptkb:Casco_Bay | 
| gptkbp:bfsLayer | 5 | 
| https://www.w3.org/2000/01/rdf-schema#label | Halfway Rock Light |