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Definition of Powell, John Wesley in US English: Powell, John Wesleyproper nounˈpouəlˈpouəl (1834–1902), US geologist and writer. He directed the US Geological Survey 1881–94. He also directed the Smithsonian Institution's Bureau of American Ethnology 1879–1902. He wrote Report on the Lands of the Arid Region of the United States (1878).
Definition of Powell, John Wesley in US English: Powell, John Wesleyproper nounˈpouəl (1834–1902), US geologist and writer. He directed the US Geological Survey 1881–94. He also directed the Smithsonian Institution's Bureau of American Ethnology 1879–1902. He wrote Report on the Lands of the Arid Region of the United States (1878).
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