2 Quotes & Sayings By John Wesley Powell
John Wesley Powell was a member of the Corps of Topographical Engineers, U.S. Army from 1873 until 1892. He is noted for his explorations of the Colorado River and of the Grand Canyon. In 1894, he became the Chief Geologist of the United States Geological Survey where he did much work on geology in Colorado, Utah, and Wyoming
He died in 1926.