1 янв 1935 г. - Hoover Dam is Built

Описание:

The Hoover Dam was built and was the largest hydroelectric producer of energy until 1948, only 13 years later. (ProCon.org)

Currently, hydroelectric energy equals 7% of US energy production. Alabama is the fifth largest producer of hydro energy. (U.S. Energy Information Administration. "Hydropower Explained.")

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