America Has A Public Park Filled With DiamondsBy Harvey Shepherd / May 27, 2019 17. Thousands of Diamonds smithsonianmag.com The park was opened to the public back in 1972 and thousands of people have been digging ever since. Although, who can blame them when the park gives them the promise of getting rich overnight? Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20