Columbia River Bar, Oregon

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:river_bar
gptkbp:alsoKnownAs	gptkb:Graveyard_of_the_Pacific
gptkbp:crosses	gptkb:Columbia_River_Bar_Pilots
gptkbp:formedBy	sediment deposition
gptkbp:hasNearbyState	gptkb:Washington
gptkbp:historicalEvent	site of many shipwrecks site of U.S. Coast Guard rescue operations
gptkbp:length	approximately 6 miles
gptkbp:locatedIn	gptkb:Oregon gptkb:Pacific_Ocean
gptkbp:maximumDepth	shallow and shifting
gptkbp:monitors	gptkb:United_States_Coast_Guard
gptkbp:mouthLocation	gptkb:Columbia_River
gptkbp:nearby	gptkb:North_Head_Lighthouse gptkb:Tillamook_Rock_Lighthouse gptkb:Cape_Disappointment_Lighthouse
gptkbp:nearbyLandmark	gptkb:Cape_Disappointment gptkb:Clatsop_Spit gptkb:Peacock_Spit
gptkbp:nearestCity	gptkb:Astoria,_Oregon
gptkbp:notableFor	frequent shipwrecks dangerous navigation conditions
gptkbp:subject	frequent storms strong tidal currents large ocean swells
gptkbp:width	approximately 3 miles
gptkbp:bfsParent	gptkb:loss_of_USS_Peacock
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	Columbia River Bar, Oregon