Chief Joseph (1840-1904) became a legend due to his heroic efforts to keep his people in their homeland in Oregon's Wallowa Valley despite a treaty that ordered them onto a reservation in Idaho. In 1877, when the US army forced the Nez Perce away from their lands, Joseph led his tribespeople on a 1,500-mile, four-month flight from western Idaho across Montana, through Yellowstone National Park and Wyoming, toward safety in Canada. During this journey,...