Grand Coulee Dam
geographical name
dam in the Columbia River, northeast central Washington, that was completed in 1942 see franklin d. roosevelt lake
Cite this Entry
“Grand Coulee Dam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Grand%20Coulee%20Dam. Accessed 6 Dec. 2025.
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