Down the Great Unknown: John Wesley Powell's 1869 Journey of Discovery and Tragedy Through the Grand Canyon First Edition (1st printing) Details: "The best book on

Details: "The best book on collaboration ever written

Author: Knickerbocker

Everything comes easily for Vivi Ann

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and Bill O’Reilly

Down the Great Unknown: John Wesley Powell's 1869 Journey of Discovery and Tragedy Through the Grand Canyon First Edition (1st printing) Details: "The best book onAuthor: Dolnick, Edward Brand: HarperCollins Children's Books Edition: First Edition Number Of Pages: 364 Release Date: 23 10 2001 Details: Drawing on rarely examined diaries and journals, Down the Great Unknown is the first book to tell the full, dramatic story of the Powell expedition. On May 24, 1869 a one armed Civil War veteran, John Wesley Powell and a ragtag band of nine mountain men embarked on the last great quest in the American West. The