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COPYRIGHT 2005 Natural History Magazine, Inc.
Grand Canyon: Solving Earth's Grandest Puzzle by James Lawrence Powell Pi Press, 2005; $27.95
There are many passages in his classic, Tertiary History of the Grand Canon District, published in 1882, in which the geologist Clarence Edward Dutton abandoned the customary reserve of the scientist to describe what lay before him:
Reaching the extreme verge the packs are cast off, and sitting up on the edge we contemplate the most sublime and awe-inspiring spectacle in the world.
Geologically, however, the Grand Canyon is also one of the most perplexing spectacles in the world. Dutton knew that, in principle, a record of its past lies exposed in...
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