Rafting Through the Grand Canyon - S19.E14
NOVA explores Earth's greatest natural wonder by rafting down the river that created it, repeating the spectacular first canyon voyage of the 19th-century explorer John Wesley Powell. The Grand Canyon tells the story of nearly 2 billion years of earth history plus the changes caused by three decades of human intervention.
Rafting Through the Grand Canyon - S19.E14
October 27, 1992
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