South Dakota State Flag Interesting Facts:
Lewis and Clark, Wild Bill Hickok, Calamity Jane, Sitting Bull, and General George Custer have all added to the colorful history of South Dakota.
Mount Rushmore, drilling began in 1927 and took 14 years to complete at a cost of 1 million dollars, it is now one of the nation's priceless treasures. The faces of George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln are sculpted into Mount Rushmore the world's greatest mountain carving. Sculptor: Gutzon Borglum . 
Belle Fourche is the geographical center of the United States of America
Badlands National Park is home of the world's richest Oligocene epoch fossil beds, dating 23 to 35 million years old.

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