Columbia Plateau

geographical name

plateau in eastern Washington, eastern Oregon, and southwestern Idaho in the Columbia River basin

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Columbian spirit
Columbia Plateau
Columbia River salmon
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Cite this Entry

“Columbia Plateau.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Columbia%20Plateau. Accessed 25 Jul. 2025.

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