For 10 points, John Wesley Powell led a boat expedition through the dangerous rapids of what Arizona landmark that became a national park in 1919?
People who tried to bypass this feature were ambushed and killed in the "Howlands-Dunn Tragedy" of 1869 after reaching the top of Mount Dellenbaugh. The French-Canadian miner, Louis Boucher, became known as the "Hermit" of this place after spending fifteen years of isolation in the "Dripping Springs" section of this place. The ship Kitty Clydes Sister was led through this area by an Illinois geology professor who lost his right arm commanding an artillery battery at the Battle of Shiloh. The (*) Havasupai people live in a village near the base of this feature, which was visited in 1540 by Garcia Lopez de Cardenas, a lieutenant of Francisco Coronado. For 10 points, John Wesley Powell led a boat expedition through the dangerous rapids of what Arizona landmark that became a national park in 1919?
People who tried to bypass this feature were ambushed and killed in the "Howlands-Dunn Tragedy" of 1869 after reaching the top of Mount Dellenbaugh.
the Grand Canyon