Statements (24)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:grass | 
| gptkbp:alsoKnownAs | gptkb:Graveyard_of_the_Pacific | 
| gptkbp:crosses | ships entering or leaving Columbia River | 
| gptkbp:firstCrossedBy | gptkb:Robert_Gray | 
| gptkbp:formedBy | sediment deposition | 
| gptkbp:hasFrequent | rough seas shipwrecks strong currents shifting sandbars | 
| gptkbp:hasLighthouseNearby | gptkb:North_Head_Lighthouse gptkb:Tillamook_Rock_Lighthouse gptkb:Cape_Disappointment_Lighthouse | 
| gptkbp:length | about 6 miles | 
| gptkbp:locatedIn | gptkb:Pacific_Ocean | 
| gptkbp:locatedNear | gptkb:Astoria,_Oregon gptkb:Ilwaco,_Washington | 
| gptkbp:mouthLocation | gptkb:Columbia_River | 
| gptkbp:notableFor | dangerous navigation | 
| gptkbp:requires | gptkb:Columbia_River_Bar_Pilots | 
| gptkbp:width | about 3 miles | 
| gptkbp:bfsParent | gptkb:Columbia_River_estuary gptkb:Graveyard_of_the_Pacific | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Columbia Bar |