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Unformatted text preview: in conjunction with George Eastman, also helped develop the motion picture. These and many other applications of science and ingenuity resulted in a new level of productivity in almost every field. Concurrently, the nation's basic industry iron and steel forged ahead, protected by a high tariff. The iron industry moved westward as geologists discovered new ore deposits, notably the great Mesabi range at the head of Lake Superior, which became one of the largest producers in the world. Easy and cheap to mine, remarkably free of chemical impurities, Mesabi ore could be processed into steel of superior quality at about onetenth the previously prevailing cost....
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This note was uploaded on 12/21/2011 for the course AMH AMH2010 taught by Professor Pietrzak during the Fall '10 term at Broward College.
- Fall '10