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John Wesley Powell  

Definition(s)

  • John Wesley Powell, an American explorer, scientific frontiersman, teacher, military leader, geologist, naturalist, government administrator, ethnographer, and geographer, is best known for having been the first to explore the length of the Colorado River through the Grand Canyon. According to William Morris Davis, Powell laid the foundation for American geomorphology and profoundly influenced those who came after him. [Source: Encyclopedia of Geography; Powell, John Wesley]

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http://data.loterre.fr/ark:/67375/N9J-VLMHHJWP-K

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