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
Mount Rushmore in popular culture Rich family has their own version of Mount Rushmore, named Mount Richmore in the movie, built on their property with their own faces sculpted into it. It becomes the setting for the film's finale, echoing the finale of "North by Northwest". The WWE had their own version of Mount Rushmore consisting of the best wrestlers in the company's history. The ones sculpted into the mountain are The Undertaker, Steve Austin, John Cena, and Hulk Hogan. The memorial was famously used as the location of the climactic chase scene in Alfred Hitchcock's 1959 movie "North by Northwest". The scene was developed