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
Howard Rushmore prominent Manhattan public relations firm. Meanwhile, Rushmore tried to get Harrison to publish a story about former First Lady Eleanor Roosevelt having an alleged affair with her African American chauffeur. When Harrison refused, Rushmore quit. By early February 1956, Rushmore was reportedly an editor at the "National Police Gazette". The next spring, despite Giesler's reassurances to the press, the legal effort against "Confidential" would go nowhere. Since the magazine was domiciled in New York State, and the plaintiffs were California residents who initiated the suits in their own state, the suits were stopped. On March 7, 1956, Los Angeles Supreme