Mount Rushmore still disputed on the basis of the 1868 Treaty of Fort Laramie (see section "Controversy" below). Among American settlers, the peak was known variously as Cougar Mountain, Sugarloaf Mountain, Slaughterhouse Mountain, and Keystone Cliffs. It was named Mount Rushmore during a prospecting expedition by Charles Rushmore, David Swanzey (husband of Carrie Ingalls), and Bill Challis. Historian Doane Robinson conceived the idea for Mount Rushmore in 1923 to promote tourism in South Dakota. In 1924, Robinson persuaded sculptor Gutzon Borglum to travel to the Black Hills region to ensure the carving could be accomplished. Borglum had been involved in sculpting the
Isabel Paterson position was with a newspaper in Vancouver, British Columbia, where for two years she wrote drama reviews. In 1914, Paterson started submitting her first two novels, "The Magpie's Nest" and "The Shadow Riders," to publishers, without much success. It was not until 1916 that her second novel "The Shadow Riders" was accepted and published by John Lane Company, which also published "The Magpie's Nest" the following year in 1917. After World War I, she moved to New York City, where she worked for the sculptor Gutzon Borglum. He was creating statues for the Cathedral of Saint John the Divine and