The Exploration of the Colorado River and Its Canyons Author: 4 Book Type: Paperback Publication Date: 1961 |
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the eploration of the colorado river and its canyons Author: ? Book Type: Paperback Publication Date: 1961 |
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The Great Unknown: The Journals of the Historic First Expedition Down the Colorado River Author: ? Book Type: Hardcover Publication Date: 1988 |
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Down the Colorado: John Wesley Powell, the One-Armed Explorer Author: 1 Book Type: Hardcover Publication Date: 2007 |
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