11 ore 30 sett 1935 anni - The Hoover Dam

Descrizione:

The Hoover Dam is dedicated by President Franklin D. Roosevelt. 112 people died during the construction of the dam. The Dam generates, on average, 4 billion kWh of hydroelectric power each year. This is enough for 1.3 million people.

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26 ott 2018

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History Of Alternative Energy

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