File:Willamette river map new.pngDescriptionWillamette river map new.png English: Map of the Willamette River Basin in Oregon, USA, made using USGS National Map data. Intended to replace
File:Columbia dams map.pngCommons Attribution-Share Alike 3.0 truetrue Category:Maps of rivers of Canada Category:Maps of rivers of the United States 508 55 41 49 1205 1207 Mica Dam
File:Columbiasloughwatershed.pngStates. The slough begins in Fairview, Oregon, and flows into the Willamette River at Portland. The symbol P indicates a pumping station. Date 12 December