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About: Columbia Slough     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:Stream, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingplacedbo:Locationschema:BodyOfWaterschema:Placenatural placestreamschema:RiverBodyOfWaterStreamStreamyago:WikicatTributariesOfTheWillametteRivergeo:SpatialThingyago:WikicatStreamsOfOregonriveryago:BodyOfWater109225146yago:Branch109228324yago:Feeder109278997yago:PhysicalEntity100001930yago:YagoGeoEntityyago:YagoPermanentlyLocatedEntitybody of wateryago:River109411430yago:Stream109448361yago:Thing100002452yago:WikicatRiversOfOregonumbel-rc:BodyOfWaterumbel-rc:Riverumbel-rc:Stream New Facet based on Instances of this Class

The Columbia Slough is a narrow waterway, about 19 miles (31 km) long, in the floodplain of the Columbia River in the U.S. state of Oregon. From its source in the Portland suburb of Fairview, the Columbia Slough meanders west through Gresham and Portland to the Willamette River, about 1 mile (1.6 km) from the Willamette's confluence with the Columbia. It is a remnant of the historic wetlands between the mouths of the Sandy River to the east and the Willamette River to the west. Levees surround much of the main slough as well as many side sloughs, detached sloughs, and nearby lakes. Drainage district employees control water flows with pumps and floodgates. Tidal fluctuations cause reverse flow on the lower slough.