Season 1 Episodes6
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8.1
Grand Coulee Dam
8.1/10 · 25 votesDec 10, 199344 min
Ranked #1 of 5 in Season 1•+0.4 vs season avg
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.
Seasons23
Episode Summary
"Grand Coulee Dam" is episode 1 of Modern Marvels season 1. It scored 8.1/10 from 25 votes, ranking #1 of 5 episodes this season (season average 7.7). It aired on December 10, 1993.