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Grand Canyon: Solving Earth's Grandest Puzzle - Powell, James Lawrence
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Vast and majestic, the Grand Canyon represents one of scienceas most challenging puzzles: How did this massive canyon come to be? This is the story of the search for the answers, and the first account of the consensus geologists have reached in the last few years. A scientific detective tale packed with colorful characters, Grand Canyon follows the explorers, adventurers, and geologists whose efforts led to the understanding of the canyonas mysteries. Modern scientists have revealed that the Colorado River once ran in the ...

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Grand Canyon: Solving Earth's Grandest Puzzle 2006, Plume Books, New York, NY

ISBN-13: 9780452287877

Trade paperback

Grand Canyon: Solving Earth's Grandest Puzzle 2005, Pi Press

ISBN-13: 9780131479890

Hardcover