John Wesley Powell
John Wesley Powell (1834-1902) was a soldier, geologist, professor, explorer, and director of the U.S. Geological Survey. In 1869, he embarked on a three-month journey down the Colorado River, which would become the first recorded voyage through the Grand Canyon.
John Wesley Powell (1834-1902) was a soldier, geologist, professor, explorer, and director of the U.S. Geological Survey. In 1869, he embarked on a three-month journey down the Colorado River, which would become the first recorded voyage through the Grand Canyon. See less
