Columbia River Gorge
Looking east along the Columbia River Gorge from the Vista House in Oregon. The Columbia River Treaty is an international agreement between the United States and Canada, signed in 1961 that establishes coordination obligations between the countries for flood risk management, hydroelectric energy production and has yielded environmental benefits in the Columbia River Basin.

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Photo by: Eileen Williamson |  VIRIN: 190501-A-RO090-275.JPG