How did john wesly Powell die?

John Wesley Powell died on September 23, 1902, from complications related to an injury he sustained while hiking. He had fallen and suffered a severe injury to his leg, which ultimately led to his death from pneumonia. Powell was a prominent geologist, explorer, and ethnologist, best known for his expeditions in the American West and his work in promoting the conservation of Natural Resources. His contributions to science and exploration remain significant to this day.