Northwestern Division, US Army Corps of Engineers USACE - Hills
DVIDS - News - Water managers begin spring spill to benefit
NW states, tribes reach 'historic' deal with feds over Columbia
Mixed water supply conditions affect hydropower outlook in Pacific
Climate change threatens Chinook salmon throughout their life
Columbia River - Wikipedia
The undercurrents at play in the Columbia River dams debate
Columbia Snake River System Archives - U.S. Wheat Associates
The Columbia River Treaty Review
Columbia River Basin
Snake River Topic - Columbia Insight
I. The Columbia River Basin
Columbia-Pacific Northwest Region
Columbia River Facts, Worksheets & Description For Kids