In the southwestern South Dakota knot of mountains called the Black Hills are the richest U. S. gold mines, the camp where President Coolidge said "I do not choose to run," the bowl-like mountain valley out of which Major Albert William Stevens sailed his stratosphere balloon in 1935, the outstanding granite mountain whose top Sculptor Gutzon Borglum is blasting into the shape of Washington's, Jefferson's, Lincoln's and Roosevelt's heads, the Wind Cave National Monument whose ten underground square miles have never been well explored, and the Fossil Cycad National Monument whose 360 acres preserve trees petrified 120,000,000 years...
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