Last modified on 7 December 2014, at 05:42

John Wesley Powell

John Wesley Powell (March 24, 1834 - September 23, 1902) was a U.S. soldier, geologist, and explorer of the American West. He is famous for the 1869 Powell Geographic Expedition, a three-month river trip down the Green and Colorado rivers that included the first passage through the Grand Canyon.

Authority control