Rapid City, South Dakota City had survived a boom and bust and was establishing itself as an important regional trade center for the upper midwest. Although the Black Hills became a popular tourist destination in the late 1890s, it was a combination of local efforts, the popularity of the automobile, and construction of improved highways that brought tourists to the Black Hills in large numbers after World War I. Gutzon Borglum, already a famous sculptor, began work on Mount Rushmore in 1927 and his son, Lincoln Borglum, continued the carving of the presidents' faces in rock following his father's death in 1941. The work
Gutzon Borglum a high-relief frieze of Lee, Jefferson Davis, and 'Stonewall' Jackson riding around the mountain, followed by a legion of artillery troops. Borglum agreed to include a Ku Klux Klan altar in his plans for the memorial to acknowledge a request of Helen Plane in 1915, who wrote to him: "I feel it is due to the KKK that saved us from Negro domination and carpetbag rule, that it be immortalized on Stone Mountain". After a delay caused by World War I, Borglum and the newly chartered Stone Mountain Confederate Monumental Association set to work on this unexampled monument, the size