John Wesley Powell was a U.S. Army soldier, explorer of the American West, and director of major scientific and cultural institutions. He is famous for his 1869 geographic expedition, a three-month ri
Powell as he appears at the National Portrait Gallery in Washington, D.C.
John Wesley Powell and his wife, Emma, in Detroit in 1863.
First camp of the John Wesley Powell expedition [second Colorado River expedition], in the willows, Green River, Wyoming, 1871.
Powell (right) with Tau-gu, a Southern Paiute, 1871–1872.