John Wesley Powell is born on March 24 in Mount Morris, New York, the second son of Joseph and Mary Powell. The Confederacy fires on Fort Sumter on April 12. Enlists to fight in the Civil War on ...

Powell and his brother Walter spend the night on the mountain top where they watch the eclipse. After all their efforts, clouds obscure their views. August 8 -- Redwall Cavern, John Wesley Powell ...

John Wesley Powell, Canyon Geologist (1968) Posted: March 16, 2025 | Last updated: March 16, 2025 In 1869, Major John Wesley Powell led the first expedition through the Grand Canyon, navigating ...