The Expeditions of John Wesley Powell
On March 24, 1834, American geologist and ethnologist John Wesley Powell was born. He published the first classification of American Indian languages and was the first director of the U.S. Bureau of Ethnology. He is famous for the 1869 Powell Geographic Expedition, a three-month river trip down the Green and Colorado rivers, including the first known passage through the Grand Canyon. “Economy in speech is the force by which its development has…
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