Map of the Columbia River Basin.

Map of the Columbia River Basin via USACE.

Columbia River Basin Salmon Extirpation Map

CRAG water plan: water service areas and major sources

Map of the Columbia River Basin.

Map of Columbia River Basin with the mainstreams outlined in blue

Snake/Salt River Basin 2003 Final Report Chapter 1

Resources – FWEE – Foundation for Water & Energy Education

Okanogon - Columbia River Basin Recreation Map by Square One Map Company LLC

CRS Report: 'Columbia River Treaty Review' - WaterWired

Salmon Genetics and Management in the Columbia River Basin

USGAO Report: 'Columbia River Basin - Additional Federal Actions Would Benefit Restoration Efforts' - WaterWired

The Art of Eileen Klatt: Salmon Pilgrim

Diagnosing and Detecting Diseases: Map of the IHN Virus Ge…

I. The Columbia River Basin

Map of the Columbia River Basin and vicinity / issued by the Port of Portland, 1912 - OHS Digital Collections

The Columbia River Basin provides more than 40% of total U.S. hydroelectric generation - U.S. Energy Information Administration (EIA)