John Wesley Powell

Powell as he appears at the [[National Portrait Gallery (United States)|National Portrait Gallery]] in Washington, D.C. John Wesley Powell (March 24, 1834 – September 23, 1902) was an American geologist, U.S. Army soldier, explorer of the American West, professor at Illinois Wesleyan University, and director of major scientific and cultural institutions. He is famous for his 1869 geographic expedition, a three-month river trip down the Green and Colorado rivers, including the first official U.S. government-sponsored passage through the Grand Canyon.

Powell was appointed by US President James A. Garfield to serve as the second director of the U.S. Geological Survey (1881–1894) and proposed, for development of the arid West, policies that were prescient for his accurate evaluation of conditions. Two years prior to his service as director of the U.S. Geological Survey, Major Powell had become the first director of the Bureau of Ethnology at the Smithsonian Institution where he supported linguistic and sociological research and publications. Provided by Wikipedia
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  1. Report on the lands of the arid region of the United States
    with a more detailed account of the lands of Utah with maps
    Book
    by Powell, John Wesley, 1834-1902
    Published 1879
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  2. by Powell, John Wesley, 1834-1902
    Published 1903
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