English: Maps of dams, drainage and estuaries along the Columbia River in North America (USA, Canada). Original caption: The Columbia River carved the Interior Columbia River Basin from the landscape of seven Western states and two Canadian provinces. The river itself flows from its headwaters in British Columbia, Canada through only two states, forming part of the Washington-Oregon border, the vast Interior Columbia River Basin is defined by the area drained by the river and its many tributaries. This 58-million-hectare area (about the size of France) extends roughly from the crest of the Cascade Mountains of Oregon and Washington east through Idaho to the Continental Divide in the Rocky Mountains of Montana and Wyoming, and from the headwaters of the Columbia River in Canada to the high desert of northern Nevada and northwestern Utah.
Detta är en retuscherad eller på annat sätt behandlad bild, med vilket menas att den har redigerats digitalt från sitt original. Redigeringar: Cropped for use in the Kootenay River article so to show only the Kootenay River basin and surrounds. Originalet kan ses här: Pacific Northwest River System.png. Redigeringar gjorda av Shannon1.
2010-01-11T21:56:44Z Spankston 914x963 (578543 Bytes) {{Information |Description={{en|1=Maps of dams, drainage and estuaries along the Columbia River in North America (USA, Canada). Original caption: The Columbia River carved the Interior Columbia River Basin from the lands
{{Information |Description={{en|1=Maps of dams, drainage and estuaries along the Columbia River in North America (USA, Canada). Original caption: The Columbia River carved the Interior Columbia River Basin from the landscape of seven Western states a
Den här filen innehåller extrainformation som troligen lades till av en digitalkamera eller skanner när filen skapades. Om filen har modifierats kan det hända att vissa detaljer inte överensstämmer med den modifierade filen.