Columbia River Basin
Columbia River Basin. Trans-boundary issues in the Pacific Northwest. Geography. hundreds of tributaries Drains >260,000 mi^2 Flow= 78,500,000 acre-ft/yr 2 nations Canada (origin) US (85% area, 75% runoff) 7 states( WA, OR, MT, Id, UT, WY, NV). Hydroelectric Potential.
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