The Promise of the Grand Canyon - John Wesley Powell's Perilous Journey and His Vision for the American West Healthy Living People already think I have

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The Promise of the Grand Canyon - John Wesley Powell's Perilous Journey and His Vision for the American West Healthy Living People already think I haveA convincing case for Powells legacy as a pioneering conservationist. The Wall Street Journal "A bold study of an eco visionary at a watershed moment in US history." Nature A timely, thrilling account of the explorer who dared to lead the first successful expedition down the Colorado through the Grand Canyonand waged a bitterly contested campaign for sustainability in the West. John Wesley Powells first descent of the Colorado River through the Grand