John Wesley Powell: From the Depths of the Grand Canyon | Nat Geo Live

Описание: A true hero of the American West, John Wesley Powell made the first descent of the Colorado River through the Grand Canyon. A National Geographic founding member who gave the Society's first lecture on February 13, 1888, this larger-than-life explorer is brought to the stage by Clay Jenkinson.
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John Wesley Powell: From the Depths of the Grand Canyon | Nat Geo Live
   • John Wesley Powell: From the Depths of the...  

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