The site is a prehistoric earthwork known as Poverty Point and consists of six C-shaped ridges, Knewz.com has learned. First ...

Construction includes training center Construction is underway at the TerraPower Natrium site near Kemmerer. The company ...

The large earthwork—consisting of more than 6,000 tons of black basalt arranged in a coiling, 1,500ft-long and 15ft-wide form—was donated to Dia in 1999 through Smithson’s estate and his ...