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Modern Marvels - Season 1 Episode 1 Grand Coulee Dam

Trailer
The world’s largest concrete dam–and the largest concrete structure in the world–lies on the Columbia River in the State of Washington. B uilt in 1931, it is also one of the largest hydroelectric power plants in the world.

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First Air Date: Dec 10, 1993

Last Air date: Aug 08, 2022

Season: 23 Season

Episode: 705 Episode

Runtime: 44 minutes

IMDb: 7.90/10 by 27.00 users

Popularity: 53.656

Language: English