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Modern Marvels

Modern Marvels - Season 6 Episode 30

Modern Marvels 1999 -

Overview:The task was monumental: Build the world's largest dam in the middle of the desert, and tame the river that carved the Grand Canyon–all in seven years! When the Hoover Dam was completed in 1935, it was the largest dam in the world. We'll reveal how this engineering wonder of the world was conceived and built.

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First Air Date: Dec 10, 1993 Last Air date: Aug 08, 2022 Season: 23 Season Episode: 707 Episode Runtime: 44:14 minutes Quality: HD IMDb: 2.9 / 10 by 34 users Popularity: 9.4468 Language: en

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