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Energy and Buildings in the 20th Century 

 

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Milestone Buildings of the 20th Century

1910-1919

1911
Roosevelt Dam
Salt River, AZ

Named after President Teddy Roosevelt, this stone arch dam-the last and the tallest of its kind-originally stood 280 feet high. It was designed to control floods, irrigate fields, and generate electricity. The dam was so useful and sturdy another 77 feet was added to the top in 1996.

1911 Roosevelt Dam, Salt River, AZ

Technologies, Innovations, and Quality of Life
1910   Neon lighting invented
1910   45% of Americans now live in cities
1912   Sliced bread introduced
1912   Domestic electric refrigerator; with first ice cube trays
1915   One third of all US autos are electric


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