Search -
Grand Canyon: Solving Earth's Grandest Puzzle
Grand Canyon Solving Earth's Grandest Puzzle Author:James Lawrence Powell Vast and majestic, the Grand Canyon represents one of science’s 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 Canyo... more »n follows the explorers, adventurers, and geologists whose efforts led to the understanding of the canyon’s mysteries. Modern scientists have revealed that the Colorado River once ran in the opposite direction—and for many years flowed hundreds of feet beneath the ground. These efforts also led directly to the discovery of tectonic plates, one of the most important advancements in the history of geology. An eloquent, breathtaking narrative, Grand Canyon is a fascinating true story that is as epic as its subject.« less