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 |
| https://www.w3.org/2000/01/rdf-schema#label |
Columbia Bar
|
| 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
|