File:Pacific Northwest River System.pngDescriptionPacific Northwest River System.png English: Maps of dams, drainage and estuaries along the Columbia River in North America (USA, Canada). Original
File:Kootenay dams.jpgimage is a derivative work of the following images: File:Pacific_Northwest_River_System.png licensed with PD-USGov-Military-Army-USACE 2010-01-11T22:31:15Z
File:Pend Oreille-Clark Fork dams.jpgimage is a derivative work of the following images: File:Pacific_Northwest_River_System.png licensed with PD-USGov-Military-Army-USACE 2010-01-11T22:31:15Z